USGS 5070, Thomas Fork (Permian of the United States)

Where: Wyoming (42.3° N, 111.0° W: paleocoordinates 14.9° N, 32.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Twenty feet above main phosphate bed in phosphate series

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, phosphatic shale

Size class: macrofossils

Collected by W.F. Ferrier

Primary reference: G. H. Girty. 1910. The fauna of the Phosphate beds of the Park City Formation. United States Geological Survey Bulletin 436:1-82 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 108931: authorized by Matthew Clapham, entered by Matthew Clapham on 08.05.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes - Helicoprionidae
"Lissoprion ferrieri" = Helicoprion davisii
"Lissoprion ferrieri" = Helicoprion davisii Woodward 1886 chimaera
Cephalopoda
 Goniatitida - Paragastrioceratidae
"Gastrioceras simulator" = Stenolobulites simulator
"Gastrioceras simulator" = Stenolobulites simulator Girty 1910 ammonite
Gastropoda
 Murchisoniina - Gosseletinidae
"Pleurotomaria aff. nevadensis" = Ananias nevadensis
"Pleurotomaria aff. nevadensis" = Ananias nevadensis Walcott 1884 snail
Bivalvia
 Nuculanida - Malletiidae
"Yoldia mcchesneyana" = Palaeoneilo mcchesneyana
"Yoldia mcchesneyana" = Palaeoneilo mcchesneyana Girty 1910 clam