Beaver Dam Mountains BD-A-4 (Triassic of the United States)

Where: Utah (37.0° N, 113.7° W: paleocoordinates 8.0° N, 39.5° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified siltstone

Size class: macrofossils

Preservation: mold/impression

Collected by R. Hofmann, M. Wasmer in 2009, 2010

Primary reference: R. Hofmann, M. Hautmann, M. Wasmer and H. Bucher. 2013. Palaeoecology of the Spathian Virgin Formation (Utah, USA) and its implications for the Early Triassic recovery. Acta Palaeontologica Polonica 58:149-173 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 122196: authorized by Matthew Clapham, entered by Matthew Clapham on 19.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Rhynchonellida - Norellidae
Cephalopoda
 Ammonoidea -
Ammonoidea "indet. A" Zittel 1884 ammonite
Bivalvia
 Carditida - Myophoricardiidae
Sementiconcha recuperator Hautmann et al. 2013 clam
 Cardiida - Anthracosiidae
Unionites fassaensis Wissmann 1841 clam
Unionites canalensis Catullo 1847 clam
 Ostreida - Bakevelliidae
Bakevellia exporrecta Lepsius 1878 oyster
 Pectinida - Aviculopectinidae
Eumorphotis cf. multiformis Bittner 1899 scallop
Eumorphotis cf. venetiana Hauer 1850 scallop
Eumorphotis ericius Hautmann et al. 2013 scallop
 Pectinida - Hunanopectinidae
Leptochondria nuetzeli Hautmann et al. 2013 scallop
 Myalinida - Myalinidae
Promyalina putiatinensis Kiparisova 1938 clam