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