Beaver Dam Mountains BM5, Bed 7 (Triassic of the United States)

Where: Washington County, Utah (37.1° N, 113.7° W: paleocoordinates 8.4° N, 39.2° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Virgin Member (Moenkopi Formation), Spathian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Reposited in the USNM

Primary reference: M. Hautmann, A. B. Smith, A. J. McGowan and H. Bucher. 2013. Bivalves from the Olenekian (Early Triassic) of south-western Utah: systematics and evolutionary significance. Journal of Systematic Palaeontology 11:263-293 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 141596: authorized by Matthew Clapham, entered by Matthew Clapham on 29.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Hunanopectinidae
Leptochondria nuetzeli Hautmann et al. 2013 scallop
 Ostreida - Bakevelliidae
Bakevellia cf. exporrecta Lepsius 1878 oyster
At base
 Carditida - Myophoricardiidae
Sementiconcha recuperator n. gen. n. sp. Hautmann et al. 2013 clam
lower part