Beaver Dam Mountains BM1 scree (Triassic of the United States)

Where: Washington County, Utah (37.1° N, 113.8° W: paleocoordinates 8.1° N, 39.5° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified mixed carbonate-siliciclastic sediments

Size class: macrofossils

Reposited in the USNM

Collection methods: surface (float),

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 141603: authorized by Matthew Clapham, entered by Matthew Clapham on 29.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Heteropectinidae
Eumorphotis venetiana Hauer 1850 scallop
 Pectinida - Hunanopectinidae
Leptochondria curtocardinalis Hall and Whitfield 1877 scallop