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Silesauridae
Taxonomy
Silesauridae was named by Langer et al. (2010) [referred to as a "stem-based clade" instead of a family: "All archosaurs closer to Silesaurus opolensis, than to Heterodontosaurus tucki and Marasuchus lilloensis." Note that Nesbitt et al (2010: reference 32231) also erect Silesauridae as a "new clade" but with a different phylogenetic definition.]. Its type is Silesaurus. It was considered monophyletic by Langer et al. (2010), Nesbitt (2011).
It was assigned to Dinosauriformes by Nesbitt et al. (2010), Langer et al. (2010), Nesbitt (2011), Bittencourt and Langer (2011), Sarigul et al. (2018), Martz and Small (2019).
It was assigned to Dinosauriformes by Nesbitt et al. (2010), Langer et al. (2010), Nesbitt (2011), Bittencourt and Langer (2011), Sarigul et al. (2018), Martz and Small (2019).
Subtaxa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Lewisuchinae Paul p. 242 |
| 2010 | Silesauridae Langer et al. |
| 2010 | Silesauridae Nesbitt et al. p. 95 |
| 2011 | Silesauridae Bittencourt and Langer p. 35 |
| 2011 | Silesauridae Nesbitt p. 208 fig. 52 |
| 2018 | Silesauridae Sarigul et al. |
| 2019 | Silesauridae Martz and Small p. 16 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Unr. †Silesauridae Langer et al. 2010
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Invalid names: Lewisuchinae Paul 1988 [invalid subgroup]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. J. Nesbitt et al. 2010 | Silesauridae differs from all other archosaurs in possessing the following unique combination of character states: rugose ridge on the anterolateral edges of the supraoccipital; notch ventral to femoral head; straight transverse groove on the proximal surface of the femur; and ilium has a straight ventral margin of the acetabulum (see Supplementary Information). | |
| S. J. Nesbitt 2011 | The most inclusive clade containing Silesaurus opolensis Dzik, 2003, but not Passer domesticus Linnaeus, 1758, Triceratops horridus Marsh (1889), and Alligator mississippiensis Daudin, 1801–1803. |