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Browse Records Total Records:
# Taxon Nominal Author Taxon Status Definitional Author Defn Type
1 Abelisauria Novas 1992b inactive    
2 Abelisauridae Bonaparte and Novas 1985 active Sereno 2005 stem
3 Abelisaurinae Bonaparte and Novas 1985 inactive    
4 Abelisauroidea Bonaparte and Novas 1985 active Wilson et al. 2003 node
5 Aberratiodontuidae Gong et al. 2004 inactive    
6 Aberratiodontuiformes Gong et al. 2004 inactive    
7 Acanthopholidae Nopcsa 1917 inactive    
8 Acanthopholididae Nopcsa 1902 inactive    
9 Acanthopholinae Nopcsa 1917 inactive    
10 Acrocanthosauridae Molnar 2003 inactive    
11 Aegyptosuchidae Kuhn 1936 inactive    
12 Aeolosaurini Franco-Rosas et al. 2004 inactive    
13 Aerialae Ji and Ji 2001 inactive    
14 Aethosauridae Baur 1887 inactive    
15 Aetosauria Nicholson and Lydekker 1889 active Sereno 2005 stem
16 Aetosauridae Nicholson and Lydekker 1889 (also Cope 1889) inactive    
17 Aetosaurinae Nicholson and Lydekker 1889 inactive    
18 Aetosauroidea Nicholson and Lydekker 1889 inactive    
19 Agathaumidae Cope 1891 inactive    
20 Albertosaurinae Currie et al. 2003 active Sereno 2005 stem
21 Alexornithidae Brodkorb 1978 inactive    
22 Alexornithiformes Brodkorb 1978 inactive    
23 Alligatorellidae Tornier 1933 inactive    
24 Allophagi Jaekel 1914 inactive    
25 Allosauria Paul 1988 inactive    
26 Allosauridae Marsh 1878 active Sereno 2005 stem
27 Allosaurinae Marsh 1878 inactive    
28 Allosauroidea Marsh 1878 active Sereno 2005 stem
29 Alvarezsauridae Bonaparte 1991 active Sereno 2005 stem
30 Alxasauridae Russell and Dong 1993 inactive    
31 Ambiortidae Kurochkin 1982 inactive    
32 Ambiortiformes Kurochkin 1982 inactive    
33 Ammosauridae Romer 1956 inactive    
34 Amphicoelia Owen 1860 inactive    
35 Amphicoelidae Nopcsa 1923 inactive    
36 Amphicoeliidae Cope 1877 inactive    
37 Amphisauridae Marsh 1882 inactive    
38 Anchisauria Galton and Upchurch 2004 inactive    
39 Anchisauridae Marsh 1885 inactive    
40 Anchisaurinae Marsh 1885 inactive    
41 Andesauridae Calvo and Bonaparte 1991 inactive    
42 Andesaurinae Calvo and Bonaparte 1991 inactive    
43 Andesauroidea Calvo and Bonaparte 1991 inactive    
44 Angistorhinidae Camp 1930 inactive    
45 Angistorhininae Camp 1930 active Sereno 2005 stem
46 Ankylopollexia Sereno 1986 active Sereno 2005 node
47 Ankylosauria Osborn 1923 active Sereno 2005 stem
48 Ankylosauridae Brown 1908 active Sereno 1998 stem
49 Ankylosaurinae Brown 1908 active Sereno 2005 stem
50 Ankylosauroidea Brown 1908 inactive    
51 Ankylosauromorpha Carpenter 2001 inactive    
52 Antarctosauridae Olshevsky 1978 inactive    
53 Antarctosauridae Olshevsky 1978 inactive    
54 Antarctosaurinae Olshevsky 1978 inactive    
55 Antrodemidae Stromer 1934 inactive    
56 Apatornithidae Fürbringer 1888 inactive    
57 Apatosauridae Huene 1927 inactive    
58 Apatosaurinae Huene 1927 inactive    
59 Apraedentalia Huene 1948 inactive    
60 Apraedentalidae Huene 1952 inactive    
61 Aptilonia Ji and Ji 2001 inactive    
62 Archaeopterygidae Huxley 1871 active Sereno 2005 stem
63 Archaeopterygiformes Lambrecht 1933 inactive    
64 Archaeopteryginae Huxley 1871 inactive    
65 Archaeornithes Gadow 1893 inactive    
66 Archaeornithoididae Elzanowski and Wellnhofer 1992 inactive    
67 Archaeosauria Romer 1966 inactive    
68 Archaeosuchia Romer 1966 inactive    
69 Archaeosuchidae Brown 1933 inactive    
70 Archosauria Cope 1869 active Sereno 2005 node
71 Arctometatarsalia Holtz 1994 inactive    
72 Argyrosaurinae Bonaparte 1987 inactive    
73 Armatosauria Zhao 1983 inactive    
74 Artzosuchidae Efimov 1983 inactive    
75 Asiaceratopsinae Nessov and Kaznyshkina 1989 inactive    
76 Asiahesperornithinae Nessov and Prizemlin 1991 inactive    
77 Aspidiotes Duméril and Bibron 1836 inactive    
78 Aspidota Jan 1857 inactive    
79 Astrodontidae Huene 1932 inactive    
80 Astrodontinae Huene 1932 inactive    
81 Atlantosauridae Marsh 1883 inactive    
82 Atlantosaurinae Marsh 1883 inactive    
83 Atoposauridae Gervais 1871 active Sereno 2005 stem
84 Aublysodontidae Nopcsa 1928 inactive    
85 Aublysodontinae Nopcsa 1928 inactive    
86 Avebrevicauda Paul 2002 inactive    
87 Avemetatarsalia Benton 1999 active Sereno 2005 stem
88 Avepectora Paul 2002 inactive    
89 Avepoda Paul 2002 inactive    
90 Averostra Paul 2002 inactive    
91 Aves Linnaeus 1758 active Sereno 2005 node
92 Avesuchia Benton 1999 inactive    
93 Avetheropoda Paul 1988 inactive    
94 Avialae Gauthier 1986 inactive    
95 Avifilopluma Gauthier and de Queiroz 2001 inactive    
96 Avimimidae Kurzanov 1981 inactive    
97 Avimimiformes Chatterjee 1991 inactive    
98 Avipelviens Lapparent 1955 inactive    
99 Avipoda Novas 1992 inactive    
100 Avisauridae Brett-Surman and Paul 1985 inactive    
101 Bagaceratopidae Alifanov 2003 inactive    
102 Bahariasauridae Huene 1948 inactive    
103 Baptornithidae American Ornithologists’ Union 1910 inactive    
104 Barapasauridae Jain et al. 1979 inactive    
105 Barusuchoidea Price 1945 inactive    
106 Baryonychidae Charig and Milner 1986 inactive    
107 Baryonychinae Charig and Milner 1986 active Holtz et al. 2004 stem
108 Baurusuchidae Price 1945 active Sereno 2005 stem
109 Baurusuchoidea Price 1945 inactive    
110 Bellusaurinae Dong 1970 inactive    
111 Belodontia Marsh 1895 inactive    
112 Belodontidae Cope 1871 inactive    
113 Bernissartidae Dollo 1883 inactive    
114 Bernissartinae Dollo 1883 inactive    
115 Blikanasauridae Galton and van Heerden 1985 inactive    
116 Blikanosaurini Galton and van Heerden 1985 inactive    
117 Bothriospondylidae Lydekker 1895 inactive    
118 Bothrosauropodidae Janensch 1929 inactive    
119 Bothrosauropodoidea Janensch 1929 inactive    
120 Brachiosauria Upchurch 1998 inactive    
121 Brachiosauridae Riggs 1904 active Sereno 2005 stem
122 Brachiosaurinae Riggs 1904 inactive    
123 Brachypoda Thulborn 1974 inactive    
124 Bradycnemidae Harrison and Walker 1975 inactive    
125 Bullatosauria Holtz 1994 inactive    
126 Caenagnathidae Sternberg 1940 active Sereno 2005 stem
127 Caenagnathinae Sternberg 1940 inactive    
128 Caenagnathoidea Sternberg 1940 active Sereno 2005 node
129 Camarasauridae Cope 1877 inactive    
130 Camarasaurinae Cope 1877 inactive    
131 Camarasauromorpha Salgado et al. 1997 inactive    
132 Camptonotidae Marsh 1884 inactive    
133 Camptosauria Norman 1998 inactive    
134 Camptosauridae Marsh 1885 active Sereno 2005 stem
135 Camptosaurinae Marsh 1885 inactive    
136 Camptosauroidea Marsh 1885 inactive    
137 Candidodontidae Carvalho et al. 2004 inactive    
138 Carcharodontosauridae Stromer 1931 active Sereno 2005 stem
139 Cardiodontidae Marsh 1896 inactive    
140 Carinatae Merrem 1813 active Sereno 2005 node
141 Carnosauria Huene 1920 inactive    
142 Carnosauriformes Cooper 1985 inactive    
143 Carnosauroides Lapparent and Lavocat 1955 inactive    
144 Carnotaurinae Sereno 1998 active Sereno et al. 2004 stem
145 Carnotaurini Coria et al. 2002 inactive    
146 Cathayornithidae Zhou et al. 1992 inactive    
147 Cathayornithiformes Zhou et al. 1992 inactive    
148 Caudipteridae Zhou and Wang 2000 inactive    
149 Centrosaurinae Lambe 1915 active Sereno 2005 stem
150 Cerapoda Sereno 1986 inactive    
151 Ceratopsia Marsh 1890 active Sereno 2005 stem
152 Ceratopsidae Marsh 1888 active Sereno 2005 node
153 Ceratopsinae Marsh 1888 active Sereno 2005 stem
154 Ceratopsoidea Marsh 1888 active Sereno 2005 stem
155 Ceratopsomorpha Wolfe and Kirkland 1998 inactive    
156 Ceratosauria Marsh 1884 active Sereno 2005 stem
157 Ceratosauroidea Marsh 1884 inactive    
158 Cerritosauridae Bonaparte 1971 inactive    
159 Ceteosauria Osborn 1903 inactive    
160 Cetiosauria Seeley 1874 inactive    
161 Cetiosauridae Lydekker 1888 inactive    
162 Cetiosaurinae Lydekker 1888 inactive    
163 Chaoyangornithiformes Hou 1997 inactive    
164 Chaoyangsauridae Zhao et al. 1999 inactive    
165 Chasmosaurinae Lambe 1915 inactive    
166 Chasmosaurini Lambe 1915 inactive    
167 Chatterjeeidae Long and Murry 1995 inactive    
168 Chatterjeeinae Long and Murry 1995 active   node
169 Cheneosauridae Lull and Wright 1942 inactive    
170 Cheneosaurinae Lull and Wright 1942 inactive    
171 Chimaerasuchidae Carvalho et al. 2004 inactive    
172 Chirotheroidea Huene 1948 inactive    
173 Chubutisauridae Corro 1974 inactive    
174 Chuniaoae Ji et al. 1998 inactive    
175 Chuniaoia Ji and Ji 2001 inactive    
176 Claosauridae Marsh 1890 inactive    
177 Coelophysidae Nopcsa 1928 active Sereno 1998 node
178 Coelophysinae Nopcsa 1928 active Sereno 2005 stem
179 Coelophysoidea Nopcsa 1928 active Sereno 2005 stem
180 Coeluria Marsh 1881 inactive    
181 Coeluridae Marsh 1881 inactive    
182 Coeluroidea Nopcsa 1928 inactive    
183 Coelurosauria Huene 1914 active Sereno 2005 stem
184 Coelurosauridae Cope 1882 inactive    
185 Coelurosauroides Cope 1882 inactive    
186 Comahuesuchidae Bonaparte 1991 inactive    
187 Compsognatha Huxley 1870 inactive    
188 Compsognathia Paul 1988 inactive    
189 Compsognathidae Cope 1871 active Holtz et al. 2004 stem
190 Compsognathinae Cope 1871 inactive    
191 Concornithidae Kurochkin 1996 inactive    
192 Confuciusornithidae Hou et al. 1995 active Sereno 2005 stem
193 Confuciusornithiformes Hou et al. 1995 inactive    
194 Congosauridae Dollo 1914 inactive    
195 Congosaurinae Dollo 1914 inactive    
196 Coronosauria Sereno 1986 active Sereno 2005 node
197 Corythosaurini Glut 1997 inactive    
198 Cricosaurinae Lydekker 1888 inactive    
199 Crocodiloidea Fitzinger 1826 inactive    
200 Crocodiloidei Eichwald 1831 inactive    
201 Crocodilomorphi Hay 1930 inactive    
202 Crocodiluri Fitzinger 1843 inactive    
203 Crocodylia Gmelin 1789 active Brochu 2003 node
204 Crocodyliformes Hay 1930 active Sereno et al. 2001 node
205 Crocodyloidae Deraniyangala 1939 inactive    
206 Crocodylomorpha Hay 1930 active Sereno 2005 stem
207 Crocodylotarsi Benton and Clark 1988 inactive    
208 Crurotarsi Sereno and Arcucci 1990 active Sereno 2005 stem
209 Ctenosaurischidae Kuhn 1964 inactive    
210 Cuspirostrisornithidae Hou 1997 inactive    
211 Dacentruridae Blows 2001 inactive    
212 Dactylopodes Meyer 1845 inactive    
213 Deinocheiridae Osmólska and Roniewicz 1970 inactive    
214 Deinocheiridae Osmólska and Roniewicz 1970 inactive    
215 Deinocheirosauria Barsbold 1976 inactive    
216 Deinodontidae Brown 1914 inactive    
217 Deinodontinae Brown 1914 inactive    
218 Deinodontoidea Brown 1914 inactive    
219 Deinonychosauria Colbert and Russell 1969 active Sereno 2005 node
220 Desmatosuchia Case 1920 inactive    
221 Desmatosuchidae Case 1920 inactive    
222 Desmatosuchiformes Hay 1930 inactive    
223 Desmatosuchinae Case 1920 active Sereno 2005 stem
224 Dicraeosauridae Janensch 1929 active Sereno 2005 stem
225 Dicraeosaurinae Janensch 1929 inactive    
226 Dilophosauridae Madsen and Welles 1998 inactive    
227 Dilophosaurinae Madsen and Welles 1998 inactive    
228 Dinoaves Bakker 1986 inactive    
229 Dinosauria Owen 1842 active Sereno 2005 node
230 Dinosauriformes Novas 1992 active Novas 1992 node
231 Dinosauromorpha Benton 1985 active Sereno 2005 stem
232 Diplodocia Tornier 1933 inactive    
233 Diplodocidae Marsh 1884 active Sereno 2005 stem
234 Diplodocimorpha Calvo and Salgado 1995 inactive    
235 Diplodocinae Marsh 1884 inactive    
236 Diplodocoidea Marsh 1884 active Sereno 2005 stem
237 Dolichochampsidae Gasparini and Buffetaut 1980 inactive    
238 Dolichopoda Thulborn 1974 inactive    
239 Domocephalinae Sereno 1986 inactive    
240 Dromaeosauridae Matthew and Brown 1922 active Sereno 1998 stem
241 Dromaeosaurinae Matthew and Brown 1922 active Sereno 2005 stem
242 Dromaeosuchia Juul 1994 inactive    
243 Dromavialae Ji and Ji 2001 inactive    
244 Dryomorpha Sereno 1986 active Sereno 2005 stem
245 Dryosauridae Milner and Norman 1984 active Sereno 2005 stem
246 Dryosaurinae Milner and Norman 1984 inactive    
247 Dryptosauridae Marsh 1890 inactive    
248 Dyrosauridae Zittel 1923 inactive    
249 Dyrosaurinae Zittel 1923 active Sereno 2005 stem
250 Edmontoniinae Russell 1940 inactive    
251 Edmontosaurinae Horner 1990 inactive    
252 Edmontosaurini Horner 1992 active Sereno 2005 stem
253 Elachistosuchidae Hoffstetter 1955 inactive    
254 Elachistosuchoidea Hoffstetter 1955 inactive    
255 Elmisauridae Osmólska 1981 inactive    
256 Elopterygidae Lambrecht 1933 inactive    
257 Elopteryginae Lambrecht 1933 inactive    
258 Elosuchidae Lapparent de Broin 2002 inactive    
259 Emydosauri Gray 1825 inactive    
260 Emydosauria Blainville 1825 inactive    
261 Enaliornithidae Fürbringer 1988 inactive    
262 Enantiornithes Walker 1981 active Sereno 2005 stem
263 Enantiornithidae Nessov and Borkin 1983 inactive    
264 Enantiornithiformes Martin 1983 inactive    
265 Enantiornithomorpha Chiappe et al. 1999 inactive    
266 Enigmosauria Naish et al. 2001 inactive    
267 Enigmosauridae Barsbold and Perle 1983 inactive    
268 Eoceratopsinae Lambe 1915 inactive    
269 Eoenantiornithidae Hou et al. 1999 inactive    
270 Eoenantiornithiformes Hou et al. 1999 inactive    
271 Eoptilonia Ji and Ji 2001 inactive    
272 Epachthosaurinae Salgado 2003 inactive    
273 Episcoposaurinae Huene 1936 inactive    
274 Erectopodidae Huene 1932 inactive    
275 Erpetosuchidae Watson 1917 inactive    
276 Eucentrosaurinae Olshevsky 1991 inactive    
277 Eudinosauria Novas 1992 inactive    
278 Euenantiornithes Chiappe 2002 inactive    
279 Euhadrosauria Weishampel et al. 1993 inactive    
280 Euhelopodidae Romer 1956 inactive    
281 Euhelopodinae Romer 1956 inactive    
282 Euiguanodontia Coria and Salgado 1996 inactive    
283 Eumaniraptora Padian et al. 1997 active Maryanska et al. 2002 node
284 Euornithes Cope 1889 active Sereno 2005 stem
285 Euornithiformes Kurochkin 1996 inactive    
286 Euornithopoda Sereno 1986 active Sereno 2005 stem
287 Eurypoda Sereno 1986 active Sereno 1998 node
288 Eusaurischia Padian et al. 1999 inactive    
289 Eusauropoda Upchurch 1995 active Sereno 2005 stem
290 Eustreptospondylidae Paul 1988 inactive    
291 Eustreptospondylinae Paul 1988 active Sereno 2005 stem
292 Eusuchia Huxley 1875 active Sereno 2005 node
293 Eutitanosauria Sanz et al. 1999 inactive    
294 Fabrosauria Cooper 1985 inactive    
295 Fabrosauridae Galton 1972 inactive    
296 Fabrosauroidea Galton 1972 inactive    
297 Flagellicaudata Harris and Dodson 2004 active Sereno 2005 node
298 Garudimimidae Barsbold 1981 inactive    
299 Garudimiminae Barsbold 1981 inactive    
300 Genasauria Sereno 1986 active Sereno 2005 node
301 Geosauridae Andrews 1913 inactive    
302 Geosaurinae Andrews 1913 inactive    
303 Gobiosuchidae Osmólska 1972 inactive    
304 Gobipterygidae Elzanowski 1974 inactive    
305 Gobipterygiformes Elzanowski 1974 inactive    
306 Gondwanasuchia Carvalho et al. 2004 inactive    
307 Goniopholididae Cope 1875 active Sereno 2005 stem
308 Goniopholidiformes Hay 1930 inactive    
309 Goniopholidinae Lydekker 1887 inactive    
310 Goniopoda Cope 1866 inactive    
311 Goyocephalia Sereno 1986 inactive    
312 Grippidae Wiman 1928 inactive    
313 Grippidia Wiman 1933 inactive    
314 Gryponychidae Huene 1932 inactive    
315 Gryposaurinae Horner 1992 inactive    
316 Guaibasauridae Bonaparte et al. 1999 inactive    
317 Hadrosauria Huene 1908 inactive    
318 Hadrosauridae Cope 1869 active Sereno 2005 node
319 Hadrosauriformes Sereno 1997 active Sereno 1998 node
320 Hadrosaurinae Cope 1869 active Sereno 1998 stem
321 Hadrosaurini Cope 1869 inactive    
322 Hadrosauroidea Cope 1869 active Sereno 2005 stem
323 Hallopoda Marsh 1881 inactive    
324 Hallopodidae Marsh 1881 inactive    
325 Hallopodinae March 1881 inactive    
326 Halopodinae Marsh 1895 inactive    
327 Halticosauridae Huene 1956 inactive    
328 Haplocanthosauridae Bonaparte 1999 inactive    
329 Harpagmosauria Haekel 1866 inactive    
330 Harpagosauria Boulenger 1887 inactive    
331 Harpymimidae Barsbold and Perle 1984 inactive    
332 Helopodinae Huene 1932 inactive    
333 Hemiprotosuchidae Crush 1984 inactive    
334 Herrerasauria Galton 1985 inactive    
335 Herrerasauridae Benedetto 1973 active Sereno 2005 stem
336 Hesperornithes Fürbringer 1888 active Sereno 2005 stem
337 Hesperornithidae Marsh 1872 active Clarke 2004 stem
338 Hesperornithiformes Sharpe 1899 inactive    
339 Heterodontosauria Cooper 1985 inactive    
340 Heterodontosauridae Romer 1966 active Sereno 2005 stem
341 Homalocephalidae Dong 1978 inactive    
342 Homalocephaloidea Dong 1978 inactive    
343 Homalosauropodidae Janensch 1929 inactive    
344 Homalosauropodoidea Janensch 1929 inactive    
345 Hsisosuchidae Young and Chow 1953 inactive    
346 Huabeisauridae Pang and Cheng 2000 inactive    
347 Huayangosauridae Dong et al. 1982 inactive    
348 Huayangosaurinae Dong et al. 1982 inactive    
349 Hylaeochampsidae Williston 1925 inactive    
350 Hylaeochampsinae Williston 1925 inactive    
351 Hylaeosauridae Nopcsa 1902 inactive    
352 Hyperosauria Jaekel 1911 inactive    
353 Hyposaurinae Nopcsa 1928 inactive    
354 Hypsilophodontia Cooper 1985 inactive    
355 Hypsilophodontidae Dollo 1882 active Sereno 2005 stem
356 Hypsilophodontinae Dollo 1882 active Sereno 2005 stem
357 Hypsilophodontoidea Dollo 1882 inactive    
358 Hypsirhophidae Cope 1898 inactive    
359 Iberomesornithidae Sanz and Bonaparte 1992 inactive    
360 Iberomesornithiformes Sanz and Bonaparte 1992 inactive    
361 Ichthyornithes Marsh 1873 inactive    
362 Ichthyornithidae Marsh 1873 inactive    
363 Ichthyornithiformes Fürbringer 1888 inactive    
364 Iguanodontia Dollo 1888 active Sereno 2005 stem
365 Iguanodontidae Cope 1869 active Sereno 2005 stem
366 Iguanodontinae Abel 1919 inactive    
367 Iguanodontoidea Cope 1869 inactive    
368 Iliosuchidae Paul 1988 inactive    
369 Ingeniinae Barsbold 1981 active   node
370 Intertheropoda Paul 1988 inactive    
371 Irritatoridae Martill et al. 1996 inactive    
372 Itasuchidae Carvalho et al. 2004 inactive    
373 Itemiridae Kurzanov 1976 inactive    
374 Kalodontidae Nopcsa 1901 inactive    
375 Kalodontoidea Nopcsa 1901 inactive    
376 Kentrosauridae Blows 2001 inactive    
377 Kritosaurinae Lapparent and Lavocat 1955 inactive    
378 Kritosaurini Lapparent and Lavocat 1955 inactive    
379 Kuszholiidae Nessov 1992 inactive    
380 Labrosauridae Marsh 1884 inactive    
381 Lagerpetonidae Arcucci 1986 inactive    
382 Lagosuchia Chatterjee 1982 inactive    
383 Lagosuchidae Bonaparte 1975 inactive    
384 Lagosuchinae Bonaparte 1975 inactive    
385 Lambeosauria Horner 1990 inactive    
386 Lambeosauridae Parks 1923 inactive    
387 Lambeosaurinae Parks 1923 active Sereno 2005 stem
388 Laosauridae Marsh 1879 inactive    
389 Laosaurinae Marsh 1879 inactive    
390 Leptoceratopsidae Nopcsa 1923 active Makovicky 2001 stem
391 Leptoceratopsinae Nopcsa 1923 inactive    
392 Lesothosauridae Halstead and Halstead 1981 inactive    
393 Liaoningornithidae Hou 1997 inactive    
394 Liaoningornithiformes Hou 1997 inactive    
395 Libycosuchidae Stromer 1914 inactive    
396 Libycosuchinae Stromer 1914 inactive    
397 Lithostrotia Wilson and Upchurch 2003 active Wilson and Upchurch 2003 node
398 Lomasuchinae Carvalho et al. 2004 inactive    
399 Longipterygidae Zhang et al. 2001 inactive    
400 Longipterygiformes Zhang et al. 2001 inactive    
401 Loricata Merrem 1820 inactive    
402 Loricati Wiegmann and Ruthe 1843 inactive    
403 Macelognatha Marsh 1884 inactive    
404 Macelognathidae Marsh 1884 inactive    
405 Macronaria Wilson and Sereno 1998 active Sereno 2005 stem
406 Macrorhynchidae Koken 1887 inactive    
407 Mahajangasuchini Carvalho et al. 2004 inactive    
408 Maiasaurinae Horner 1992 inactive    
409 Maiasaurini Horner 1992 active Sereno 2005 stem
410 Mamenchisauridae Young and Chao 1972 inactive    
411 Mamenchisaurinae Young and Chao 1972 inactive    
412 Maniraptora Gauthier 1986 active Sereno 2005 stem
413 Maniraptoriformes Holtz 1995 active Sereno 2005 node
414 Marginocephalia Sereno 1986 active Sereno 2005 node
415 Massospondylidae Huene 1914 active Sereno 1998 stem
416 Megalosauri Fitzinger 1843 inactive    
417 Megalosauria Baur 1891 inactive    
418 Megalosauridae Huxley 1869 inactive    
419 Megalosaurinae Huxley 1869 inactive    
420 Megalosauroidea Huxley 1869 inactive    
421 Melanorosauridae Huene 1929 inactive    
422 Mesoeucrocodylia Whetstone and Whybrow 1983 active Sereno et al. 2001 stem
423 Mesorhinidae Huene 1936 inactive    
424 Mesorhinosuchidae Kuhn 1961 inactive    
425 Mesosauria Giebel 1847 inactive    
426 Mesosuchia Huxley 1875 inactive    
427 Mesosuchoidea Deraniyagala 1939 inactive    
428 Metamesosuchia Hulke 1886 inactive    
429 Metasuchia Benton and Clark 1988 active Sereno et al. 2001 node
430 Metatheropoda Ji and Ji 2001 inactive    
431 Metornithes Perle et al. 1993 inactive    
432 Metriacanthosaurinae Paul 1988 inactive    
433 Metriorhynchi Fitzinger 1843 inactive    
434 Metriorhynchidae Fitzinger 1843 active Sereno 2005 stem
435 Metriorhynchinae Fitzinger 1843 inactive    
436 Metriorhynchoidea Deraniyagala 1939 inactive    
437 Microraptoria Senter et al. 2004 inactive    
438 Microraptoridae Senter et al. 2004 inactive    
439 Microraptorinae Senter et al. 2004 active Sereno 2005 stem
440 Microraptorini Senter et al. 2004 inactive    
441 Monocloninae Nopcsa 1923 inactive    
442 Mononykinae Chiappe et al. 1998 active Sereno 2005 node
443 Morosauridae Marsh 1883 inactive    
444 Mussauridae Bonaparte and Vince 1979 inactive    
445 Mystriosauri Fitzinger 1843 inactive    
446 Mystriosuchidae Huene 1915 inactive    
447 Mystriosuchinae Huene 1915 active   stem
448 Nanosauridae Marsh 1878 inactive    
449 Nanosaurinae Marsh 1878 inactive    
450 Nanshiungosauridae Dong and Yu 1997 inactive    
451 Nemegtosauridae Upchurch 1995 inactive    
452 Neoarchosauria Benton 1985 inactive    
453 Neoceratopsia Sereno 1986 active Sereno 2005 stem
454 Neoceratosauria Novas 1992 inactive    
455 Neoceratosauroidea Madsen and Welles 1998 inactive    
456 Neornithes Gadow 1883 active Sereno 2005 node
457 Neornithischia Cooper 1985 active Sereno 1998 stem
458 Neornithopoda Cooper 1985 inactive    
459 Neosauropoda Bonaparte 1986 active Sereno 2005 node
460 Neosuchia Benton and Clark 1988 active Sereno et al. 2001 stem
461 Neotetanurae Sereno et al. 1994 active Sereno 2005 node
462 Neotheropoda Bakker 1986 active Sereno 2005 node
463 Nettosuchidae Langston 1965 inactive    
464 Noasauridae Bonaparte and Powell 1980 active Sereno 2005 stem
465 Nodosauridae Marsh 1890 active Sereno 2005 stem
466 Nodosaurinae Marsh 1890 active Sereno 2005 stem
467 Notochampsidae Haughton 1924 inactive    
468 Notosaurinae Koken 1900 inactive    
469 Notosuchia Gasparini 1971 active Sereno et al. 2001 stem
470 Notosuchidae Dollo 1924 active Sereno 2005 stem
471 Notosuchiformes Carvalho et al. 2004 inactive    
472 Notosuchimorpha Carvalho et al. 2004 inactive    
473 Notosuchinae Dollo 1924 inactive    
474 Odontognathae Wetmore 1930 inactive    
475 Odontognathes Marsh 1880 inactive    
476 Odontolcae Marsh 1875 inactive    
477 Odontornithes Marsh 1873 inactive    
478 Odontotormae Marsh 1876 inactive    
479 Oligosacralosauroidea Zhao 1983 inactive    
480 Omeisauridae Wilson 2002 inactive    
481 Omnivoropterygidae Czerkas and JI 2002 inactive    
482 Omnivoropterygiformes Czerkas and Ji 2002 inactive    
483 Omosauria Seeley 1887 inactive    
484 Omosauridae Lydekker 1888 inactive    
485 Opisthocoela Cope 1883 inactive    
486 Opisthocoelia Owen 1860 inactive    
487 Opisthocoelicaudiinae McIntosh 1990 active Wilson and Upchurch 2003 node
488 Orbitoscuta Bakker 1986 inactive    
489 Ornithischia Seeley 1888 active Sereno 2005 stem
490 Ornithischiformes Cooper 1985 inactive    
491 Ornithodira Gauthier 1986 inactive    
492 Ornithomimidae Marsh 1890 active Sereno 2005 stem
493 Ornithomimiformes Sereno 2005 active Sereno 2005 stem
494 Ornithomiminae Marsh 1890 inactive    
495 Ornithomimoidea Marsh 1890 inactive    
496 Ornithomimosauria Barsbold 1976 active Sereno 2005 stem
497 Ornithopectae Chiappe 1991 inactive    
498 Ornithopoda Marsh 1881 active Sereno 2005 node
499 Ornithopodidae Zittel 1895 inactive    
500 Ornithopodoidea Zittel 1895 inactive    
501 Ornithoscelida Huxley 1870 inactive    
502 Ornithoscelidae Zittel 1887-1890 inactive    
503 Ornithosuchia Huene 1908 inactive    
504 Ornithosuchidae Huene 1908 active Sereno 2005 stem
505 Ornithosuchinae Huene 1908 inactive    
506 Ornithosuchoidea Huene 1908 inactive    
507 Ornithotarsidae Cope 1871 inactive    
508 Ornithothoraces Chiappe and Calvo 1994 active Sereno 2005 node
509 Ornithurae Haeckel 1866 active Gauthier 1986 stem
510 Ornithuromorpha Chiappe et al. 1999 inactive    
511 Orthopoda Cope 1866 inactive    
512 Orthornithes Ji and Ji 2001 inactive    
513 Oviraptoridae Barsbold 1976 active Sereno 2005 stem
514 Oviraptoriformes Sereno 2005 active Sereno 2005 stem
515 Oviraptorinae Barsbold 1976b active Osmólska et al. 2004 node
516 Oviraptoroidea Barsbold 1976b inactive    
517 Oviraptorosauria Barsbold 1976a active Sereno 2005 stem
518 Pachycephalosauria Maryanska and Osmólska 1974 active Sereno 2005 stem
519 Pachycephalosauridae Sternberg 1945 active Sereno 2005 node
520 Pachycephalosaurinae Sternberg 1945 active Sereno 2005 stem
521 Pachycephalosaurini Sternberg 1945 active Sereno 2005 node
522 Pachycephalosauroidea Sternberg 1945 inactive    
523 Pachypoda Haeckel 1895 inactive    
524 Pachypodes Meyer 1845 inactive    
525 Pachypodosauria Huene 1914 inactive    
526 Pachypodosauroidea Nopcsa 1928 inactive    
527 Pachyrhinosauridae Sternberg 1950 inactive    
528 Pachyrhinosaurinae Olshvesky 1992 inactive    
529 Palaeopoda Colbert 1964 inactive    
530 Palaeosauri Fitzinger 1843 inactive    
531 Palaeosauria Colber 1964 inactive    
532 Palaeosauridae Huene 1932 inactive    
533 Palaeosauriscidae Kuhn 1959 inactive    
534 Palaeoscincidae Nopcsa 1918 inactive    
535 Paleorhinidae Long and Murry 1995 inactive    
536 Paleotheropoda Paul 1988 inactive    
537 Panaves Gauthier and de Queiroz 2001 inactive    
538 Panoplosauridae Nopcsa 1929 inactive    
539 Panoplosaurinae Nopcsa 1929 inactive    
540 Paracrocodylomorpha Parrish 1993 active Sereno 2005 node
541 Paralligatoridae Konjukova 1954 inactive    
542 Parasaurolophini Glut 1997 inactive    
543 Parasuchia Huxley 1875 inactive    
544 Parasuchidae Lydekker 1885 inactive    
545 Parasuchinae Lydekker 1885 inactive    
546 Parasuchoidea Nopcsa 1928 inactive    
547 Paraves Sereno 1997 active Holtz and Osmólska 2004 stem
548 Parvicursoridae Karkhu and Rautian 1996 inactive    
549 Parvicursorinae Karkhu and Rautian 1996 inactive    
550 Patagopterygidae Alvarenga and Bonaparte 1992 inactive    
551 Patagopterygiformes Alvarenga and Bonaparte 1992 inactive    
552 Pedeticosauria Walker 1970 inactive    
553 Pedeticosauridae van Hoepen 1915 inactive    
554 Peirosauridae Gasparini 1982 active Sereno 2005 stem
555 Peirosauriformes Carvalho et al. 2004 inactive    
556 Peirosauromorpha Carvalho et al. 2004 inactive    
557 Petrosuchinae Lydekker 1887 inactive    
558 Pholidosauridae Zittel and Eastman 1902 active Sereno 2005 stem
559 Pholidosaurinae Williston 1902 inactive    
560 Phytodinosauria Bakker 1986 inactive    
561 Phytophagi Jaekel 1914 inactive    
562 Phytosauria Meyer 1861 active Sereno 2005 stem
563 Phytosauridae Meyer 1861 active Sereno 2005 node
564 Phytosaurier Meyer 1861 inactive    
565 Phytosauriformes Hay 1930 inactive    
566 Phytosaurinae Nopcsa 1923 inactive    
567 Phytosauromorphi Hay 1930 inactive    
568 Pisanosauridae Casamiquela 1967 inactive    
569 Plateosauravidae Huene 1932 inactive    
570 Plateosauria Tornier 1913 active Sereno 2005 node
571 Plateosauridae Marsh 1895 active Sereno 2005 stem
572 Plateosaurinae Marsh 1895 inactive    
573 Plateosaurini Marsh 1895 inactive    
574 Platyognathidae Simmons 1965 inactive    
575 Pleurocoelidae Marsh 1888 inactive    
576 Podokesauridae Huene 1914 inactive    
577 Podokesaurinae Huene 1914 inactive    
578 Podokesauroidea Huene 1914 inactive    
579 Polacanthidae Wieland 1911 inactive    
580 Polacanthinae Wieland 1911 inactive    
581 Polacanthini Wieland 1911 inactive    
582 Polysacralosauroidea Zhao 1983 inactive    
583 Ponderopoda Huene 1952 inactive    
584 Poposauria Nopcsa 1923 inactive    
585 Poposauridae Nopcsa 1923 active Sereno 2005 stem
586 Poposauroidea Nopcsa 1923 inactive    
587 Postpubici Jaekel 1910 inactive    
588 Praeornithidae Rautian 1978 inactive    
589 Praeornithiformes Rautian 1978 inactive    
590 Praeornithurae Kurochkin 1995 inactive    
591 Praepubici Jaekel 1911 inactive    
592 Predentata Marsh 1894 inactive    
593 Prestosuchidae Romer 1966 active Sereno 2005 stem
594 Procoelia Owen 1860 inactive    
595 Procoelidae Nopcsa 1923 inactive    
596 Procompsognathidae Nopcsa 1923 inactive    
597 Procompsognathinae Nopcsa 1923 active Sereno 2005 stem
598 Procrocodilia Nopcsa 1923 inactive    
599 Procrocodiloidea Nopcsa 1928 inactive    
600 Prodinosauria Nopcsa 1901 inactive    
601 Prohadrosauridae Abel 1919 inactive    
602 Prosauropoda Huene 1920 active Sereno 2005 stem
603 Prosauropoides Lapparent and Lavocat 1955 inactive    
604 Protiguanodontinae Osborn 1923 inactive    
605 Protoavia Paul 1988 inactive    
606 Protoavidae Chatterjee 1991 inactive    
607 Protoaviformes Chatterjee 1991 inactive    
608 Protoaviornithes Kurochkin 1996 inactive    
609 Protoceratopsia Granger and Gregory 1923 inactive    
610 Protoceratopsidae Granger and Gregory 1923 active Sereno 2005 stem
611 Protoceratopsinae Granger and Gregory 1923 inactive    
612 Protosuchia Mook 1934 active Sereno et al. 2001 stem
613 Protosuchidae Brown 1934 active Sereno 2005 node
614 Protosuchinae Brown 1934 inactive    
615 Protosuchoidea Brown 1934 inactive    
616 Protrachodontidae Nopcsa 1915 inactive    
617 Protrachodontinae Nopcsa 1915 inactive    
618 Psalisauria Lambe 1918 inactive    
619 Psalisauridae Lambe 1918 inactive    
620 Pseudopalatinae Long and Murry 1995 inactive    
621 Pseudosuchia Zittel 1887-1890 inactive    
622 Pseudosuchoidea Nopcsa 1928 inactive    
623 Psittacosauridae Osborn 1923 active Sereno 2005 stem
624 Psittacosaurinae Osborn 1923 inactive    
625 Psittacosauroidea Osborn 1923 inactive    
626 Pterosauromorpha Padian 1997 active Sereno 2005 stem
627 Pygostylia Chatterjee 1997 inactive    
628 Rauisuchia Bonaparte 1982 inactive    
629 Rauisuchidae Huene 1936 active Sereno 2005 stem
630 Rauisuchiformes Parrish 1993 inactive    
631 Rauisuchinae Huene 1936 inactive    
632 Rauisuchini Huene 1936 inactive    
633 Rebbachisauridae Bonaparte 1996 active Sereno 2005 stem
634 Rhabdodontidae Weishampel et al. 2003 active Sereno 2005 stem
635 Rhabdognathidae Swinton 1930 inactive    
636 Rhabdomorpha Pincemaille 1999 inactive    
637 Rhabdosauridae Kuhn 1966 inactive    
638 Rhadinosuchidae Hoffstetter 1955 inactive    
639 Rutiodontidae Long and Murry 1995 inactive    
640 Rutiodontinae Long and Murry 1995 inactive    
641 Saltasauridae Powell 1992 active Wilson and Upchurch 2003 node
642 Saltasaurinae Powell 1992 active Wilson and Upchurch 2003 stem
643 Saltasaurini Powell 1992 inactive    
644 Saltoposuchidae Crush 1984 active Sereno 2005 stem
645 Saurischia Seeley 1888 active Sereno 2005 stem
646 Sauriurae Haeckel 1866 inactive    
647 Saurolophidae Brown 1914 inactive    
648 Saurolophinae Brown 1914 inactive    
649 Saurolophini Brown 1914 active Sereno 2005 stem
650 Sauropoda Marsh 1878 active Sereno 2005 stem
651 Sauropodiformes Sereno 2005 active Sereno 2005 node
652 Sauropodomorpha Huene 1932 active Sereno 2005 stem
653 Saurornithes Nicholson 1879 inactive    
654 Saurornithoididae Barsbold 1974 inactive    
655 Scansoriopterygidae Czerkas and Yuan 2002 inactive    
656 Scelidosauria Cooper 1985 inactive    
657 Scelidosauridae Cope 1869 inactive    
658 Scelidosaurinae Cope 1869 inactive    
659 Scelidosauroidea Cope 1869 inactive    
660 Scleromochlidae Huene 1914 inactive    
661 Scleromochlinae Huene 1914 inactive    
662 Scleromochloidea Huene 1914 inactive    
663 Sebacosuchia Goin and Goin 1962 inactive    
664 Sebecidae Simpson 1937 inactive    
665 Sebecosuchia Simpson 1937 inactive    
666 Segisauridae Camp 1936 inactive    
667 Segisaurinae Camp 1936 inactive    
668 Segnosauria Barsbold and Perle 1980 inactive    
669 Segnosauridae Perle 1979 inactive    
670 Segnosaurischia Dong 1992 inactive    
671 Sellosauridae Huene 1908 inactive    
672 Shamosaurinae Tumarova 1983 inactive    
673 Shanshanosauridae Dong 1977 inactive    
674 Shanshanosaurinae Dong 1977 inactive    
675 Shartegosuchidae Effimov 1988 inactive    
676 Shunosaurinae McIntosh 1990 inactive    
677 Shuvosauridae Chatterjee 1994 inactive    
678 Sinornithidae Hou 1997 inactive    
679 Sinornithiformes Hou 1997 inactive    
680 Sinosauropterygidae Ji and Ji 1996 inactive    
681 Sinraptoridae Currie and Zhao 1993 active Sereno 2005 stem
682 Somphospondyli Wilson and Sereno 1998 active Sereno 2005 stem
683 Songlingornithidae Hou 1997 inactive    
684 Sphagesauridae Kuhn 1968 active Sereno 2005 stem
685 Sphenosuchia Bonaparte 1972 active Sereno 2005 stem
686 Sphenosuchidae Huene 1922 inactive    
687 Sphenosuchoidea Huene 1922 inactive    
688 Spinosauridae Stromer 1915 active Sereno 2005 stem
689 Spinosaurinae Stromer 1915 active Holtz et al. 2004 stem
690 Spinosauroidea Stromer 1915 active Sereno 2005 node
691 Stagonolepidae Lydekker 1887 inactive    
692 Stagonolepididae Lydekker 1887 active Sereno 2005 node
693 Stagonolepidinae Lydekker 1887 active Sereno 2005 stem
694 Stagonolepinae Lydekker 1887 inactive    
695 Stagonolepininae Lydekker 1887 inactive    
696 Stagonolepoidea Lydekker 1887 inactive    
697 Staurikosauridae Galton 1977 inactive    
698 Staurikosaurinae Galton 1977 inactive    
699 Stegominae Nopcsa 1923 inactive    
700 Stegomosuchidae Huene 1922 inactive    
701 Stegopeltinae Ford 2000 inactive    
702 Stegopeltini Ford 2000 inactive    
703 Stegosauri Gadow 1896 inactive    
704 Stegosauria Marsh 1877 active Sereno 2005 stem
705 Stegosauridae Marsh 1880 active Sereno 2005 stem
706 Stegosaurinae Marsh 1880 active Sereno 2005 stem
707 Stegosauroidea Marsh 1880 inactive    
708 Stegosauromorpha Cooper 1985 inactive    
709 Steneosauri Owen 1842 inactive    
710 Stenopelyxidae Nopcsa 1927 inactive    
711 Stephanosaurinae Lambe 1920 inactive    
712 Stomatosuchidae Stromer 1925 inactive    
713 Streptospondylidae Kurzanov 1989 inactive    
714 Stromerosuchidae Kuhn 1960 inactive    
715 Struthiosauridae Nopcsa 1923 inactive    
716 Struthiosaurinae Nopcsa 1923 inactive    
717 Styracosterna Sereno 1986 active Sereno 2005 stem
718 Suchia Krebs 1974 active Sereno 2005 node
719 Symphopoda Cope 1866 inactive    
720 Symphypoda Cope 1868 inactive    
721 Syrmosauridae Maleev 1952 inactive    
722 Syrmosaurinae Maleev 1952 inactive    
723 Syrmosaurini Maleev 1952 inactive    
724 Teleocrateridae Charig 1967 inactive    
725 Teleosauria Giebel 1847 inactive    
726 Teleosauridae Cope 1871 active Sereno 2005 stem
727 Teleosaurii Geoffroy 1831 inactive    
728 Teleosaurina Bonaparte 1840 inactive    
729 Teleosaurinae Cope 1871 inactive    
730 Tendaguriidae Bonaparte et al. 1999 inactive    
731 Teratosauria Colbert 1970 inactive    
732 Teratosauridae Cope 1871 inactive    
733 Terriasuchia Carvalho et al. 2004 inactive    
734 Tetanurae Gauthier 1986 active Sereno 2005 stem
735 Thalattosuchia Fraas 1902 active Sereno 2005 stem
736 Thecodontia Owen 1859 inactive    
737 Thecodontosauri Huxley 1869 inactive    
738 Thecodontosauridae Lydekker 1890 inactive    
739 Therizinosauria Russell 1997 active Sereno 2005 stem
740 Therizinosauridae Maleev 1954 active Sereno 2005 node
741 Therizinosauroidea Maleev 1954 active Sereno 2005 node
742 Therophagi Jaekel 1914 inactive    
743 Theropoda Marsh 1891 active Sereno 2005 stem
744 Therosauri Fitzinger 1843 inactive    
745 Therosauria Haeckel 1873 inactive    
746 Thescelosauridae Sternberg 1937 inactive    
747 Thescelosaurinae Sternberg 1937 inactive    
748 Tholocephalidae Sereno 1986 inactive    
749 Thyreophora Nopcsa 1915 active Sereno 2005 stem
750 Thyreophoroidea Nopcsa 1928 inactive    
751 Tianchungosauroidea Zhao 1983 inactive    
752 Ticinosuchinae Sennikov 1995 inactive    
753 Titanosauria Bonaparte and Coria 1993 active Sereno 2005 stem
754 Titanosauridae Lydekker 1895 inactive    
755 Titanosauriformes Salgado et al. 1997 active Sereno 2005 node
756 Titanosaurinae Lydekker 1895 inactive    
757 Titanosauroidea Lydekker 1895 inactive    
758 Torosauridae Nopcsa 1915 inactive    
759 Torvosauridae Jensen 1985 active Sereno 2005 stem
760 Torvosaurinae Jensen 1985 inactive    
761 Torvosauroidea Jensen 1985 inactive    
762 Trachodontidae Lydekker 1888 inactive    
763 Trachodontinae Lydekker 1888 inactive    
764 Trachodontoidea Lydekker 1888 inactive    
765 Trematochanpsidae Buffetaut 1974 inactive    
766 Trialestidae Bonaparte 1982 inactive    
767 Triassolestia Crush 1984 inactive    
768 Triassolestidae Crush 1984 inactive    
769 Troodontidae Gilmore 1924b active Sereno 2005 stem
770 Tyrannoraptora Sereno 1999b active Holtz et al. 2004 node
771 Tyrannosauridae Osborn 1906 active Sereno 2005 node
772 Tyrannosaurinae Osborn 1906 active Sereno 2005 stem
773 Tyrannosaurini Osborn 1906 inactive    
774 Tyrannosauroidea Osborn 1906 active Sereno 2005 stem
775 Unenlagiinae Bonaparte 1999 active Sereno 2005 stem
776 Unquillosauridae Powell 1986 inactive    
777 Uruguaysuchidae Rusconi 1933 inactive    
778 Uruguaysuchinae Rusconi 1933 inactive    
779 Velociraptorinae Barsbold 1983 active Sereno 2005 stem
780 Vulcanodontidae Cooper 1984 inactive    
781 Xiphosauridae Sereno 1986 inactive    
782 Yanornithidae Zhou and Zhang 2001 inactive    
783 Yanornithiformes Zhou and Zhang 2001 inactive    
784 Yunnanosauridae Young 1942 inactive    
785 Zanclodontidae Marsh 1884 inactive    
786 Zanclodontoidae Marsh 1884 inactive    
787 Zhyraornithidae Nessov 1984 inactive    
788 Zhyraorrnithi Nessov 1992 inactive    
789 Ziphosuchia Ortega et al. 2000 inactive