Meade Peak Phosphatic Shale Member, Phosphoria Formation of Idaho (Permian of the United States)

Where: Idaho (44.0° N, 114.0° W: paleocoordinates 17.4° N, 32.9° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Meade Peak Phosphatic Shale Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; phosphatic claystone and black limestone

• phosphatic claystone and dark, fine grained 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 11285: authorized by Arnold Miller, entered by Chad Ferguson on 31.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Strophomenata
 Productida - Linoproductidae
 Productida - Rugosochonetidae
"Chonetes ostiolatus" = Komiella ostiolata, "Chonetes cf. ostiolatus" = Komiella ostiolata
"Chonetes ostiolatus" = Komiella ostiolata Girty 1910
"Chonetes cf. ostiolatus" = Komiella ostiolata Girty 1910
 Productida - Chonetidae
Chonetes spp. Fischer de Waldheim 1830
Rhynchonellata
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Spiriferinida - Spiriferinidae
 Spiriferida - Trigonotretidae
Neospirifer sp. Fredericks 1919
 Spiriferida - Ambocoeliidae
 Rhynchonellida - Leiorhynchidae
 Rhynchonellida - Rhynchoporidae
Lingulata
 Lingulida - Disciniidae
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
Bivalvia
 Pectinida - Streblochondriidae
Streblochondria sp. Newell 1938 scallop
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Deltopectinidae
"Streblochondria montpelierensis" = Streblopteria montpelierensis, "Streblochondria cf. montpelierensis" = Streblopteria montpelierensis
"Streblochondria montpelierensis" = Streblopteria montpelierensis Girty 1910 scallop
"Streblochondria cf. montpelierensis" = Streblopteria montpelierensis Girty 1910 scallop
 Pectinida - Heteropectinidae
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus Girty 1910 scallop
 Pectinida - Pseudomonotidae
Pseudomonotis sp. von Beyrich 1862 scallop
 Cardiidia - Sanguinolitidae
 Pholadomyida - Edmondiidae
 Trigoniida - Schizodidae
Schizodus bifidus Ciriacks 1963 clam
 Nuculida - Nuculidae
Nuculopsis spp. Girty 1912 nut clam
Nuculopsis montpelierensis Girty 1910 nut clam
 Protobranchia -
Palaeoneilo mcchesneyana Girty 1910 clam
[entered as Paleoneilo mcchesneyana]
 Protobranchia - Nuculanidae
Polidevcia sp. Tschernyschev 1943 pointed nut clam
Polidevcia obesa White 1879 pointed nut clam
Polidevcia cf. obesa White 1879 pointed nut clam
Gastropoda
 Trochonematoidea - Lophospiridae
? Worthenia sp. de Koninck 1883 snail
 Euomphalina - Omphalotrochidae
Babylonites sp. Yochelson 1956 snail
Babylonites ferrieri Girty 1908 snail
Babylonites conoideus Girty 1908 snail
Cephalopoda
 Belemnoidea -
Belemnitida indets. Zittel 1895 belemnite
 Bactritida - Parabactritidae
Tabantaloceras sp. Shimanskiy 1954
 Goniatitida - Adrianitidae
Adrianites sp. Gemmellaro 1887 ammonite
 Goniatitida - Paragastrioceratidae
Pseudogastrioceras spp. Spath 1936 ammonite
Stenolaemata
 Fenestrata -
Fenestrata indet. Astrova and Morozova 1956
 Trepostomata -
Trepostomata indet. Ulrich 1882
entered as "Terpostomata"
Chondrichthyes
 Eugeneodontiformes - Helicoprionidae
Helicoprion sp. Karpinsky 1899 chimaera
Gnathostomata
  -
unclassified
  -
Porifera indet. Grant 1836
Scyphozoa
 Conulariida -
Conulariida indet. Miller and Gurley 1896 jellyfish