Hurricane Cliffs Locality HC 3 Bed 6 (Triassic of the United States)

Where: Washington County, Utah (37.0° N, 113.3° W: paleocoordinates 7.8° 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• coordinate based on unpublished field data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:

• Shelly calc-arenite. Top surface with large siltstone clasts. Rinks, terebratulids, crinoid columnals, gastropods. See photo PDT and notes AJM

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 63296: authorized by Alistair McGowan, entered by Alistair McGowan on 10.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Cidaroida - Triadotiaridae
Lenticidaris utahensis
Lenticidaris utahensis Kier 1968 pencil urchin
spine
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
2nd Collection [originally entered as "Crinoidea sp."]
Rhynchonellata
 Rhynchonellida - Norellidae
"Piarorhynchella triassicus" = Nudirostralina
"Piarorhynchella triassicus" = Nudirostralina
Gastropoda
  -
? Gastropoda indet.
? Gastropoda indet. Cuvier 1795 snail
2nd Collection [originally entered as "? Gastropoda sp."]
 Neritoidea - Naticopsidae
"Naticopsis depresispirus" = Abrekopsis depresispirus
"Naticopsis depresispirus" = Abrekopsis depresispirus Batten and Stokes 1986 snail
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Left Valves Counted, 2nd Collection [originally entered as "Bivalvia sp."]
 Myalinida - Myalinidae
Promyalina sp.
Promyalina sp. Kittl 1903 clam