Sheep Pass Formation
Geologic formation in Nevada, United States
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The Sheep Pass Formation is a geologic formation in Nevada. It preserves fossils dating back to the Paleogene period.
| Sheep Pass Formation | |
|---|---|
| Stratigraphic range: Latest Cretaceous to Paleogene | |
| Type | Geological formation |
| Sub-units | 6 members (A to F) |
| Location | |
| Region | Nevada |
| Country | United States |
Fossil content
Vertebrates
| Mammals | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Apatemys | A. bellus | Near Ely, Nevada.[1] | An apatothere. | ||
| Elymys | E. complexus | Near Ely, Nevada.[2] | A rodent, possibly of the family Zapodidae. | ||
| Ischyromyidae | Near Ely, Nevada.[2] | ||||
| Knightomys | Near Ely, Nevada.[2] | A rodent represented by material not assignable to species.[2] | |||
| Mattimys | Near Ely, Nevada.[2] | A rodent represented by material not assignable to species.[2] | |||
| Microparamys | M. sambucus | Near Ely, Nevada.[2] | A rodent. | ||
| Notharctus | N. tenebrosus | Near Ely, Nevada.[1] | Upper and lower jaws.[3] | A primate. |  |
| Nyctitheriidae | Near Ely, Nevada.[1] | At least one nyctitheriid present. | |||
| Palaeochiropteryx | P. sambuceus | "Elderberry Canyon Quarry in the Egan Range near Ely, White Pine County".[4] | Partial skeleton (USNM PAL 417350) and left dentary (USNM PAL 706598).[4] | A palaeochiropterygid bat. |  |
| Pantolestes | P. longicaudus | Near Ely, Nevada.[1] | A pantolestid. | ||
| Pauromys | P. exallos | Near Ely, Nevada.[2] | A rodent. | ||
| Reithroparamys | R. delicatissimus | Near Ely, Nevada.[2] | A rodent. | ||
| cf. R. huerfanensis | Near Ely, Nevada.[2] | A rodent. | |||
| Sciuravus | S. sp. | Near Ely, Nevada.[2] | A rodent represented by material not assignable to species.[2] | ||
| Sonor | S. handae | "Elderberry Canyon Quarry in the Egan Range near Ely, White Pine County".[4] | Left dentary (USNM PAL 544091).[4] | A vespertilionid bat. | |
| cf. Tetrapassalus | cf. T. mckennai | Near Ely, Nevada.[1] | An epoicotheriid. | ||
| Trogolemur | T. myodes | Near Ely, Nevada.[1] | An anaptomorphine primate. | ||
| Volactrix | V. simmonsae | "Elderberry Canyon Quarry in the Egan Range near Ely, White Pine County".[4] | Right and left dentaries.[4] | An onychonycterid bat. | |
| Amphibians | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Eorubeta | E. nevadensis | Member C (south Egan Range).[5][6] | A frog. | ||
| Palaeobatrachus | P. occidentalis | Member B.[6] | A frog. | ||
