Beaver Dam Mountains BM1, Bed 19 (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• coordinate based on unpublished field data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)

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (in situ),

Primary reference: A. J. McGowan, A. B. Smith, and P. D. Taylor. 2009. Faunal diversity, heterogeneity and body size in the Early Triassic: testing post-extinction paradigms in the Virgin Limestone of Utah, USA. Australian Journal of Earth Sciences 56:859-872 [A. McGowan/A. McGowan/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 63198: authorized by Alistair McGowan, entered by Alistair McGowan on 09.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cardiida - Anthracosiidae
Unionites sp. Wissman 1841 clam
 Pectinida - Hunanopectinidae
Leptochondria "sp. a" Bittner 1891 scallop
 Ostreida - Bakevelliidae
Bakevellia cf. exporrecta Lepsius 1878 oyster