 | Ceratites lawsoni |
 | Hoernia socialis |
Mollusca
Echinodermata
Vertebrata
 | Bobasatrania canadensis |
 | Boreosomus gillioti |
 | Perleidus piveteaui |
 | Semionotus micropterus |
 | Semionotus agassizi |
Sarcopterygii
Temnospondyli
Amniota
 | Cynognathus crateronotus |
 | Ischigualastia jenseni |
 | Lystrosaurus murrayi |
 | Lystrosaurus cf. oviceps |
 | Placerias hesternus |
 | Thrinaxodon liorhinus |
Parareptilia
Testudinata
Diapsida
Stem-diapsida
Lepidosauriformes
Archosauromorpha
Archosauria
