Hurricane Cliffs Locality HC 5 PDT 2005 (Triassic of the United States)

Where: Washington County, Utah (37.1° N, 113.3° W: paleocoordinates 7.8° N, 39.1° 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• coordinate based on unpublished field data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: silty limestone

• Silty impure limestone with rare shells of small bivales

Size class: macrofossils

Preservation: mold/impression

Collection methods: Collected by PDT from throughout locality HC5, during 2005 before the main collection in 2006.

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 63385: authorized by Alistair McGowan, entered by Alistair McGowan on 14.08.2006, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Carditoidea -
? Carditoidea sp. Fleming 1820 clam
Left Valves Counted
 Cardiida - Kalenteridae
? Permophorus sp. Chavan 1954 clam
 Cardiida - Anthracosiidae
? Unionites sp. Wissman 1841 clam
 Trigoniida - Myophoriidae
? Neoschizodus sp. Giebel 1855 clam
 Pectinida - Entoliidae
? Pernopecten sp. Winchell 1865 scallop
Right Valves Counted
 Pectinida - Aviculopectinidae
? Eumorphotis sp. Bittner 1901 scallop
Right Valves Counted
 Pectinida - Claraiidae
? Claraia sp. Bittner 1901 scallop
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
Left Valves Counted
 Ostreida -
Pterioidea sp. Gray 1847 oyster
Right Valves Counted
 Ostreida - Bakevelliidae
? Bakevellia sp. King 1848 oyster
Cephalopoda
 Nautilida - Tainoceratidae
Pleuronautilus sp. von Mojsisovics 1882 nautiloid
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
originally entered as "Gastropoda sp."
 Neritoidea - Naticopsidae
? Naticopsis sp. M'Coy 1844 snail
Tentaculita
 Microconchida -
Microconchus utahensis ZatoĊ„ et al. 2013
Common
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Rhynchonellata
 Terebratulida - Gusarellidae
Protogusarella smithi Perry and Chatterton 1979
Ventral Valves Counted
 Rhynchonellida - Norellidae
"? Piarorhynchella triassicus" = Nudirostralina
"? Piarorhynchella triassicus" = Nudirostralina
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
originally entered as "Crinoidea sp."