282
| Trilobite | Ditomopyge decurtata | | Kansas |
283
| Trilobite | Delaria antigua | | Shakleford county, Texas |
284
| Lamp Shells (Brachiopods) | Composita sp. | | Hueco Mountains, Texas |
285
| Lamp Shells (Brachiopods) | Cleithytidina orbiscularis | | Texas |
286
| Lamp Shells (Brachiopods) | Hustedia monmoni | | Texas |
287
| Reptile tracks | unknown | | Las Cruces, New Mexico |
288
| Eryopoid Amphibian | Apateon sp. | | Rothejondes Formation, Odernheim, West Germany |
289
| Seed Ferns | Glossopteris sp. (white veined) and Gangmopteris sp. | | Dunedoo, New South Wales, Australia |
290 a
| Conifer | Lebachia piniformis | | Abo Formation, Las Cruces, New Mexico |
290 b
| Conifer | Lebachia piniformis | | Abo Formation, Las Cruces, New Mexico |
795
| Seed Fern leaves | Glossopteris sp. | | New South Wales, Australia |
1118
| Trilobite assemblage | Kaskia sp. | | New Mexico |
1595
| Aquatic reptile | Mesosaurus braziliensis | | |
4031
| Amphibian skull (cast) | Eryops sp. | | Texas |
4123
| Reptile | Captorhinus aguti | | Oklahoma |
HSU24.1050
| Paleozoic marine fauna | Brachiopods, Fusilinid foraminifera, Lacy bryozoans | | |
HSU37.1521
| Solitary Horn Corals | | | California |
HSU6.40691
| Reptile egg (replica) | | | Texas |
