Hurricane Cliffs Locality HC 5 Bed 8 (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• coordinate based on unpublished field data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: lithified, ferruginous, calcareous grainstone

• Massive calc-arenite. Particulary rich terabartulid/gastropod layer about 20cm above base. Bivalves, holocrinous (rare). Ferruginous crust at top with silicifed fossils

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: paleoecologic analysis

PaleoDB collection 63009: authorized by Alistair McGowan, entered by Alistair McGowan on 02.08.2006

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
Crinoidea
 Holocrinida - Holocrinidae
Holocrinus sp.
Holocrinus sp. Wachsmuth and Springer 1886 Sea lily
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Left Valves Counted, 2nd Collection PDT [originally entered as "Bivalvia sp."]
 Myalinida - Myalinidae
"Promyalina putiatensis" = Promyalina putiatinensis
"Promyalina putiatensis" = Promyalina putiatinensis Kiparisova 1938 clam
 Pectinida - Pectinoidae
Pleuronectites sp.
Pleuronectites sp. Schlotheim 1820 scallop
Right Valves Counted
 Pectinida - Aviculopectinidae
Eumorphotis virginensis
Eumorphotis virginensis Hautmann et al. 2013 scallop
2nd Collection
 Ostreida - Bakevelliidae
Bakevellia sp.
Bakevellia sp. King 1848 oyster
Rhynchonellata
 Terebratulida - Gusarellidae
Protogusarella smithi
Protogusarella smithi Perry and Chatterton 1979
faunal slab and second collection