SR-4, San Rafael Swell (Triassic of the United States)

Where: Utah (39.0° N, 110.7° W: paleocoordinates 8.5° N, 36.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Sinbad Formation, Smithian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Palaeontological Institute and Museum at the University of Zürich (PIMUZ)

Primary reference: R. Hofmann, H. Hautmann, A. Brayard, A. Nützel, K. G. Bylund, J. F. Jenks, E. Vennin, N. Olivier, and H. Bucher. 2014. Recovery of benthic marine communities from the end-Permian mass extinction at the low latitudes of eastern Panthalassa. Palaeontology 57:547-589 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156112: authorized by Matthew Clapham, entered by Matthew Clapham on 08.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neritoidea - Neritariidae
Neritaria costata Batten and Stokes 1986 snail
 Neritoidea - Naticopsidae
Abrekopsis cf. depresispirus Batten and Stokes 1986 snail
Bivalvia
 Ostreida - Bakevelliidae
Bakevellia cf. exporrecta Lepsius 1878 oyster
 Myalinida - Mysidiellidae
Promysidiella "sp. A" Waller and Stanley 2005 clam
 Trigoniida - Myophoriidae
Neoschizodus laevigatus Ziethen 1830 clam
 Cardiida - Anthracosiidae
Unionites cf. canalensis Catullo 1847 clam
 Cardiida - Kalenteridae
Permophorus cf. bregeri Girty 1927 clam
 Carditida - Myophoricardiidae
Sementiconcha recuperator Hautmann et al. 2013 clam