Grandeur Member, Park City Formation of Idaho (Permian of the United States)

Where: Idaho (44.0° N, 114.0° W: paleocoordinates 17.0° N, 32.6° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Grandeur Member (Park City Formation), Leonardian (286.0 - 273.0 Ma)

• Upper Leonardian

• member-level stratigraphic resolution

Environment/lithology: marine; grainstone

• Rock consists of grainstone with large portions altered to coarsely crystalline limestone.

Primary reference: E. L. Yochelson and D. H. Van Sickle. 1968. Biostratigraphy of the Phosphoria, Park City, and Shedhorn Formations; Geology of Permian Rocks in the Western Phosphate Field. United States Geological Survey Professional Paper 313(D):572-660 [A. Miller/C. Ferguson/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 11286: authorized by Arnold Miller, entered by Chad Ferguson on 31.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Scyphozoa
 Conulariida -
Conulariida indet. Miller and Gurley 1896 jellyfish
Lingulata
 Lingulida - Discinidae
Strophomenata
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
 Productida - Echinoconchidae
Juresania sp. Fredericks 1928
 Productida - Linoproductidae
Rhynchonellata
 Rhynchonellida - Rhynchoporidae
 Rhynchonellida - Leiorhynchidae
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
Gastropoda
 Murchisoniina - Gosseletinidae
? Glabrocingulum sp. n. sp. Thomas 1940 snail
 Euomphalina - Omphalotrochidae
Babylonites conoideus Girty 1908 snail
Bivalvia
 Trigoniida - Scaphellinidae
? Scaphellina sp. Newell and Ciriacks 1962 clam
 Ostreida - Bakevelliidae
? Bakevellia sp. King 1848 oyster
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
Aviculopecten cf. kaibabensis Newell 1938 scallop
 Nuculanida - Polidevciidae
Polidevcia sp. Tschernyschev 1943 clam
 Nuculida - Nuculidae
Nuculopsis sp. Girty 1912 nut clam
Gnathostomata
  -