Death Creek Valley, Nevada (Triassic to of the United States)

Where: Nevada (41.7° N, 114.1° W: paleocoordinates 12.1° N, 37.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Thaynes Limestone Formation, Smithian to Smithian (251.3 - 247.2 Ma)

• Smithian or early Spathian

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Collection methods: quarrying, peel or thin section,

• Combined from 6 fossil horizons in section because most of the invertebrates not assigned to distinct levels

Primary reference: P. Schäfer, R. J. Cuffey, and A. R. Young. 2003. New trepostome bryozoa from the Early Triassic (Smithian/Spathian) of Nevada. Paläonotologische Zeitschrift 77(2):323-340 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35168: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 17.11.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on bryozoans
Bivalvia
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Myalinida - Myalinidae
"Myalina postcarbonica" = Myalinella postcarbonica
"Myalina postcarbonica" = Myalinella postcarbonica Girty 1927 clam
 Pectinida - Hunanopectinidae
""Monotis" thaynesiana" = Leptochondria curtocardinalis, "Aviculopecten parvulus" = Leptochondria occidanea
""Monotis" thaynesiana" = Leptochondria curtocardinalis Hall and Whitfield 1877 scallop
"Aviculopecten parvulus" = Leptochondria occidanea Meek 1877 scallop
 Ostreida - Pteriidae
""Aviculopecten" disjunctus" = Confusionella loczyi
""Aviculopecten" disjunctus" = Confusionella loczyi Bittner 1901 pearl oyster
 Pholadida - Pleuromyidae
Pleuromya sp. Agassiz 1845 clam
 Cardiida - Kalenteridae
"Pleurophorus similis" = Permophorus similis
"Pleurophorus similis" = Permophorus similis Girty 1927 clam
 Protobranchia - Nuculanidae
Nuculana sp. Link 1807 pointed nut clam
Stenolaemata
 Trepostomida - Stenoporidae
Dyscritellopsis montelloensis n. sp. Schäfer et al. 2003
Dyscritellopsis thaynesianus n. sp. Schäfer et al. 2003
Rhynchonellata
 Terebratulida -
"Terebratula semisimplex" = Vex semisimplex
"Terebratula semisimplex" = Vex semisimplex White 1879
 Spiriferinida - Spiriferinidae
 Spiriferinida - Lepismatinidae
"Spiriferina mansfieldi" = Lepismatina mansfieldi
"Spiriferina mansfieldi" = Lepismatina mansfieldi Girty 1927
 Rhynchonellida - Norellidae
"Pugnoides triassicus" = Piarorhynchella triassica
"Pugnoides triassicus" = Piarorhynchella triassica Girty 1927