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
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
unclassified | |
Porifera indet. Grant 1836 | |
Scyphozoa | |
Conulariida indet. Miller and Gurley 1896 jellyfish | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847
Orbiculoidea (cf. Orbiculoidea) cf. missouriensis Shumard 1858 | |
Lingula sp. BruguiƩre 1797 | |
Strophomenata | |
"Chonetes ostiolatus" = Komiella ostiolata, "Chonetes cf. ostiolatus" = Komiella ostiolata
"Chonetes ostiolatus" = Komiella ostiolata Girty 1910
"Chonetes cf. ostiolatus" = Komiella ostiolata Girty 1910 | |
Chonetes spp. Fischer de Waldheim 1830 | |
Rhynchonellata | |
Neospirifer sp. Fredericks 1919 | |
Spiriferina sp. d'Orbigny 1847 | |
Composita sp. Brown 1849
Composita cf. subtilita Hall 1852 | |
Rhynchopora sp. King 1865
Rhynchopora cf. taylori Girty 1910 | |
Stenolaemata | |
Fenestrata indet. Elias and Condra 1957 | |
| |
Bivalvia | |
| |
Polidevcia sp. Tschernyschev 1943 clam
Polidevcia obesa White 1879 clam
Polidevcia cf. obesa White 1879 clam | |
Nuculopsis spp. Girty 1912 nut clam
Nuculopsis montpelierensis Girty 1910 nut clam | |
Streblochondria sp., "Streblochondria montpelierensis" = Streblopteria montpelierensis, "Streblochondria cf. montpelierensis" = Streblopteria montpelierensis
Streblochondria sp. Newell 1938 scallop
"Streblochondria montpelierensis" = Streblopteria montpelierensis Girty 1910 scallop
"Streblochondria cf. montpelierensis" = Streblopteria montpelierensis Girty 1910 scallop | |
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus Girty 1910 scallop | |
Aviculopecten sp. M'Coy 1851 scallop | |
Pseudomonotis sp. von Beyrich 1862 scallop | |
Sanguinolites cf. carbonaria Girty 1910 clam | |
Schizodus bifidus Ciriacks 1963 clam | |
Gastropoda | |
Babylonites sp. Yochelson 1956 snail
Babylonites ferrieri Girty 1908 snail
Babylonites conoideus Girty 1908 snail | |
? Worthenia sp. de Koninck 1883 snail | |
Cephalopoda | |
Tabantaloceras sp. Shimanskiy 1954 | |
Pseudogastrioceras spp. Spath 1936 ammonite | |
Adrianites sp. Gemmellaro 1887 ammonite | |
Belemnitida indets. Zittel 1895 belemnite | |
Gnathostomata | |
Osteichthyes indet. bony fish | |
Chondrichthyes | |
Helicoprion sp. Karpinsky 1899 chimaera |