USGS Mesozoic loc. 2994 (Jurassic of the United States)

Also known as USGS 10512

Where: Alaska (60.2° N, 152.7° W: paleocoordinates 28.9° N, 84.4° W)

• coordinate estimated from map

When: Cynthia Falls Sandstone Formation, Bajocian (170.3 - 168.3 Ma)

• Middle Bajocian

Environment/lithology: marine; sandstone

Size classes: macrofossils, mesofossils, microfossils

Collected by T.W. Stanton, G.C. Martin, A. Brown; F.H. Moffit in 1904; 1920

Primary reference: T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139470: authorized by George Stanley, entered by Hannah Shepherd on 12.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Trigoniida - Myophorelloidae
Myophorella aff. dawsoni Whiteaves 1878 clam
Hypotypes USNM 219900, 219901, 219903, 219906 from USGS 10512, others from 2994