Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia
Phylogeny
Defined by the most recent common ancestor (and all its descendants) of
†Apsisaurus (Genus) Laurin, 1991 | |
Ref: M. Laurin, 1991: 84. |
Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. | |
Ref: M. Laurin, 1991: 84 ("archosaurs"). |
†Coelurosauravus (Genus) Piveteau, 1926 | |
Ref: M. Laurin, 1991: 84. |
Lepidosauria (Clade) Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. | |
Ref: M. Laurin, 1991: 84 ("lepidosaurs"). |
†Younginiformes (Clade) Romer 1933 [Laurin 1991] | |
Ref: M. Laurin, 1991: 84 ("younginiforms"). |
Original position
Original entries
Current position
Historical positions
Number of Subtaxa