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

Where: Wyoming (43.0° N, 106.8° W: paleocoordinates 13.6° N, 29.0° 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: taxonomic analysis

PaleoDB collection 11229: authorized by Arnold Miller, entered by Chad Ferguson on 27.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Belmnitoida indet.
Chondrichthyes
 Eugeneodontiformes - Helicoprionidae
Helicoprion sp.
Helicoprion sp. Karpinsky 1899 chimaera
Gnathostomata
  -
Osteichthyes indet.
Cephalopoda
 Goniatitida - Paragastrioceratidae
Pseudogastrioceras sp.
Pseudogastrioceras sp. Spath 1936 ammonite
 Nautilida - Liroceratidae
Peripetoceras sp.
Peripetoceras sp. Hyatt 1894 nautiloid
Gastropoda
 Euomphalina - Omphalotrochidae
Babylonites sp.
Babylonites sp. Yochelson 1956 snail
 Murchisoniina - Phymatopleuridae
? Worthenia sp.
? Worthenia sp. de Koninck 1883 snail
Bivalvia
 Nuculanida - Polidevciidae
Polidevcia sp., Polidevcia obesa, Polidevcia cf. obesa
Polidevcia sp. Tschernyschev 1943 clam
Polidevcia obesa White 1879 clam
Polidevcia cf. obesa White 1879 clam
 Nuculida - Nuculidae
Nuculopsis sp., Nuculopsis poposiensis
Nuculopsis sp. Girty 1912 nut clam
Nuculopsis poposiensis Branson 1930 nut clam
 Pholadomyida - Edmondiidae
Edmondia cf. phosphoriensis
 Trigoniida - Schizodidae
Schizodus sp.
Schizodus sp. King 1844 clam
 Pectinida - Limipectinidae
Acanthopecten alatus
 Pectinida - Heteropectinidae
Girtypecten sp., "Aviculopecten phosphaticus" = Vnigripecten phosphaticus
Girtypecten sp. Newell 1938 scallop
"Aviculopecten phosphaticus" = Vnigripecten phosphaticus Girty 1910 scallop
 Pectinida - Streblochondriidae
"Streblochondria guadalupensis" = Aviculopecten guadalupensis, "Streblochondria cf. tubicostata" = Guizhoupecten tubicostata, "Streblochondria montpelierensis" = Streblopteria montpelierensis
"Streblochondria guadalupensis" = Aviculopecten guadalupensis Girty 1908 scallop
"Streblochondria cf. tubicostata" = Guizhoupecten tubicostata Ciriacks 1963 scallop
"Streblochondria montpelierensis" = Streblopteria montpelierensis Girty 1910 scallop
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp., Orbiculoidea (Orbiculoidea) cf. missouriensis, Orbiculoidea (Roemerella) utahensis, Orbiculoidea (Roemerella) cf. utahensis
Orbiculoidea sp. d'Orbigny 1847
 Lingulida - Lingulidae
Lingula sp., Lingula carbonaria
Lingula sp. Bruguiére 1797
Lingula carbonaria Shumard and Swallow 1858
Rhynchonellata
 Rhynchonellida - Leiorhynchidae
Leiorhynchus weeksi
 Spiriferida - Ambocoeliidae
Crurithyris arcuatus, Crurithyris sp.
Crurithyris sp. George 1931
 Spiriferinida - Spiriferinidae
"Spiriferina" sp.
"Spiriferina" sp. d'Orbigny 1847
Strophomenata
 Strophomenida - Chonetidae
"Chonetes" sp.
"Chonetes" sp. Fischer de Waldheim 1830
 Strophomenida - Rugosochonetidae
"Chonetes ostiolatus" = Komiella ostiolata, "Chonetes cf. ostiolatus" = Komiella ostiolata
"Chonetes ostiolatus" = Komiella ostiolata Girty 1910
"Chonetes cf. ostiolatus" = Komiella ostiolata Girty 1910
 Productida - Linoproductidae
Anidanthus sp., Cancrinella sp., Cancrinella phosphatica, Cancrinella cf. phosphatica
Scyphozoa
 Conulariida -
Conulariida indet.
Conulariida indet. Miller and Gurley 1896 jellyfish