USGS Mesozoic loc. 24113 (Jurassic of the United States)

Where: Alaska (62.0° N, 147.3° W: paleocoordinates 29.0° N, 80.7° W)

• coordinate based on nearby landmark

When: Bowser Member, Bajocian (170.3 - 168.3 Ma)

• Middle Bajocian, Tuxedni Group, 15 to 75 m (50-250 ft) above base (see Imlay, 1961; 1964, p. B22, loc. 2)

Environment/lithology: marine; lithified sandstone

• not described in text

Size class: macrofossils

Collected by A. Grantz, R.D. Hoare, R.W. Imlay in 1952; reposited in the USNM

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 125790: authorized by George Stanley, entered by Hannah Shepherd on 23.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Trigoniida - Myophorelloidae
Myophorella tipperi, Myophorella alaskaensis n. sp., Myophorella tuxedniensis n. sp.
Myophorella tipperi Poulton 1979 clam
Myophorella alaskaensis n. sp. Poulton 1979 clam
Holotype USNM 219877
Myophorella tuxedniensis n. sp. Poulton 1979 clam
Holotype USNM 219895, Paratypes USNM 219896-219898