Bull Lake Creek, Wind River Mountains (Lower Embar) (Permian of the United States)

Where: Wyoming (43.2° N, 109.2° W: paleocoordinates 14.8° N, 30.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meade Peak Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)

• "Lower Embar" Formation

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, phosphatic shale

Size class: macrofossils

Primary reference: E. B. Branson. 1916. The Lower Embar of Wyoming and Its Fauna. The Journal of Geology 24(7):639-664 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149345: authorized by Matthew Clapham, entered by Matthew Clapham on 02.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculida - Nuculidae
Nucula pulchella Beede and Rogers 1899 nut clam
 Nuculanida - Polidevciidae
"Leda bellistriata" = Polidevcia bellistriata
"Leda bellistriata" = Polidevcia bellistriata Stevens 1858 clam
 Cardiida - Kalenteridae
"Pleurophorus sp." = Permophorus
"Pleurophorus sp." = Permophorus Chavan 1954 clam
Chondrichthyes
 Petalodontiformes - Janassidae
Janassa unguicula Eastman 1903 chimaera
Janassa angularis Branson 1916 chimaera
 Cochliodontiformes - Cochliodontidae
"Deltodus mercurii" = Deltodus mercurei
"Deltodus mercurii" = Deltodus mercurei Newberry 1876 chimaera
 Chimaeriformes -
Crassidonta stuckenbergi Branson 1916 chimaera
 Ctenacanthiformes - Ctenacanthidae
Ctenacanthus amblyxiphias Cope 1891 elasmobranch