Where: Utah (39.6° N, 110.8° W: paleocoordinates 12.0° N, 33.4° 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
Size class: macrofossils
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 11272: authorized by Arnold Miller, entered by Chad Ferguson on 30.07.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
Gnathostomata | |
Osteichthyes indet. bony fish | |
Stenolaemata | |
| |
Rhynchonellata | |
Wellerella sp. Dunbar and Condra 1932 | |
Rhynchopora sp. King 1865 | |
"Spiriferina pulchra" = Xestotrema pulchrum
"Spiriferina pulchra" = Xestotrema pulchrum Meek 1860 | |
Hustedia sp. Hall and Clarke 1893 | |
Composita sp. Brown 1849
Composita subtilita Hall 1852 | |
Strophomenata | |
Chonetes sp. Fischer de Waldheim 1830 | |
Hystriculina sp. Muir-Wood and Cooper 1960 | |
"Squamaria ivesi" = Peniculauris ivesi, Squamaria sp.
"Squamaria ivesi" = Peniculauris ivesi Newberry 1861 | |
Rugatia occidentalis Newberry 1861 | |
Derbyia sp. Waagen 1884 | |
Lingulata | |
Lingula sp. BruguiƩre 1797 | |
Orbiculoidea (Orbiculoidea) cf. missouriensis Shumard 1858
Orbiculoidea (Roemerella) utahensis Meek 1877 | |
Gastropoda | |
Donaldina sp. Knight 1933 snail | |
Naticopsis (Jedia) sp. M'Coy 1844 snail | |
Orthonema cf. socorroense Girty 1909 snail | |
Girtyspira sp. Knight 1936 snail
Meekospira sp. Ulrich and Scofield 1897 snail | |
? Platyworthenia sp. Chronic 1952 snail | |
aff. Strobeus sp. de Koninck 1881 snail | |
| |
Scaphopoda | |
Dentalium spp. Linnaeus 1758 tusk shell
Plagioglypta sp. Pilsbry 1898 tusk shell | |
Cephalopoda | |
Coelogasteroceras sp. Hyatt 1893 | |
Bivalvia | |
Polidevcia sp. Tschernyschev 1943 clam | |
Eoastarte subcircularis Ciriacks 1963 clam
Schizodus bifidus Ciriacks 1963 clam | |
? Scaphellina sp. Newell and Ciriacks 1962 clam | |
Permophorus sp. Chavan 1954 clam | |
"Sanguinolites elongatus" = Vacunella elongata
"Sanguinolites elongatus" = Vacunella elongata Ciriacks 1963 clam | |
Astartella subquadrata Girty 1909 clam | |
Aviculopinna sp. Meek 1864 oyster | |
Girtypecten sp., "Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus
Girtypecten sp. Newell 1938 scallop
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus Girty 1910 scallop | |
Aviculopecten sp. M'Coy 1851 scallop
Aviculopecten cf. kaibabensis Newell 1938 scallop | |
"? Streblochondria cf. tubicostata" = Guizhoupecten tubicostata
"? Streblochondria cf. tubicostata" = Guizhoupecten tubicostata Ciriacks 1963 scallop |