The Sheep Pass Formation is a geologic formation in Nevada . It preserves fossils dating back to the Paleogene period .
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 .
source ↗
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.
source ↗
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.
Invertebrates
Crustaceans
Genus
Species
Presence
Material
Notes
Images
Clinocypris ?
C.? sp.
Member B.5
An ostracod .
Cypridea
C. bicostata
Member B.5
An ostracod .
Paracypridopsis ?
P.? sp.
Member B.5
An ostracod .
See also
See also
References
References
Emry, Robert J. (1990-01-01). "Mammals of the Bridgerian (middle Eocene) Elderberry Canyon Local Fauna of eastern Nevada" . Dawn of the Age of Mammals in the northern part of the Rocky Mountain Interior, North America . Geological Society of America Special Papers. Vol. 243. pp. 187– 210. doi :10.1130/SPE243-p187 . ISBN 0-8137-2243-8 .
Emry, Robert J.; Korth, William W. (1989). "Rodents of the Bridgerian (Middle Eocene) Elderberry Canyon Local Fauna of Eastern Nevada". Smithsonian Contributions to Paleobiology (67): 1– 14. doi :10.5479/si.00810266.67.1 . ISSN 0081-0266 .
Perry, Jonathan M. G.; Gunnell, Gregg F.; Emry, Robert J. (2017-07-04). "New cranial material of Notharctus (Mammalia, Primates, Notharctidae) from the Sheep Pass Formation, Elderberry Canyon, Nevada, with implications for incisor morphology and paleogeography of notharctine primates". Journal of Vertebrate Paleontology . 37 (4) e1331914. Bibcode :2017JVPal..37E1914P . doi :10.1080/02724634.2017.1331914 . ISSN 0272-4634 . S2CID 133982802 .
Czaplewski, Nicholas J.; Morgan, Gary S.; Emry, Robert J.; Gignac, Paul M.; O'Brien, Haley D. (2022-05-25). "Three New Early Middle Eocene Bats (Mammalia: Chiroptera) from Elderberry Canyon, Nevada, USA" . Smithsonian Contributions to Paleobiology (106): 2– 25. doi :10.5479/si.19874677 . ISSN 1943-6688 . S2CID 249114343 .
Bonde, Joshua W.; Druschke, Peter A.; Hilton, Richard P.; Henrici, Amy C.; Rowland, Stephen M. (2020). "Preservation of latest Cretaceous (Maastrichtian)-Paleocene frogs (Eorubeta nevadensis) of the Sheep Pass Formation of east-central Nevada and implications for paleogeography of the Nevadaplano" . PeerJ . 8 e9455. doi :10.7717/peerj.9455 . ISSN 2167-8359 . PMC 7341540 . PMID 32704447 .
"Abstract: TWO DISTINCT FROG DEATH ASSEMBLAGES FROM THE SHEEP PASS FORMATION (MAASTRICHTIAN-EOCENE), EAST-CENTRAL NEVADA (2009 Portland GSA Annual Meeting (18-21 October 2009))" . gsa.confex.com . Retrieved 2022-09-01 .