Beaver Dam Mountains BM5, Bed 10A (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• coordinate based on unpublished field data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, shelly/skeletal limestone

• Massive stylotized bioclastic limestone

Size class: macrofossils

Preservation: mold/impression

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: taxonomic analysis

PaleoDB collection 62982: authorized by Alistair McGowan, entered by Alistair McGowan on 02.08.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Holocrinida - Holocrinidae
Holocrinus sp. Wachsmuth and Springer 1886 Sea lily
Rhynchonellata
 Rhynchonellida -
Rhynchonellida indet. Kuhn 1949
2nd Collection
 Rhynchonellida - Norellidae
 Terebratulida - Gusarellidae
Protogusarella smithi Perry and Chatterton 1979
Bivalvia
 Pectinida - Aviculopectinidae
Eumorphotis multiformis Bittner 1899 scallop
 Ostreida - Bakevelliidae
Bakevellia cf. costata Schlotheim 1820 oyster
 Myalinida - Myalinidae
"Promyalina putiatensis" = Promyalina putiatinensis
"Promyalina putiatensis" = Promyalina putiatinensis Kiparisova 1938 clam
 Pholadomyida - Pholadomyidae
Arcomya sp. Agassiz 1838 clam
 Cardiida - Kalenteridae
Permophorus triassicus Newell and Boyd 1999 clam
Myoconcha cf. plana Kiparisova 1938 clam
 Cardiida - Anthracosiidae
Unionites "sp. c" Wissman 1841 clam