Priscarara serrata Cope, 1877 juvenile

By oilshale

• February 11

Taxonomy

Kingdom: Animalia
Phylum: Chordata Haeckel 1874
Class: Actinopteri Cope 1871
Order: Perciformes Stirton 1953
Family: incertae sedis
Genus: Priscarara
Species: Priscarara serrata
Author Citation Cope, 1877

Geological Time Scale

Eon: Phanerozoic
Era: Cenozoic
Period: Paleogene
Sub Period: None
Epoch: Eocene
International Age: Ypresian

Stratigraphy

Green River Formation

Provenance

Acquired by: Purchase/Trade

Dimensions

Length: 2.5 cm

Location

Kemmerer
Wyoming
United States

• eocene
• green river fm
• kemmerer
• lutetian
• priscarara
• tff-oilshale-ch2227
• wyoming

Comments

A juvenile Prisacara serrata (the length is about 2.5 cm), but already showing the typical roundish body proportions of an adult Priscacara and differing from Hypsiprisca sp.
Distinguishing characters for Priscacara serrata and Cockerellites liops (old name Priscacara liops):

References:
Cope. E. D. (1877). A contribution to the knowledge of the ichthyological fauna of the Green River shales. Bulletin of the United States Geological and Geographical Survey 3(4):807-819