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

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

• many places altered to coarsly crystalline limestone.

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
  -
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
entered as "Terpostomata"
Rhynchonellata
 Rhynchonellida - Wellerellidae
Wellerella sp. Dunbar and Condra 1932
 Rhynchonellida - Rhynchoporidae
Rhynchopora sp. King 1865
 Spiriferinida - Pennospiriferinidae
"Spiriferina pulchra" = Xestotrema pulchrum
"Spiriferina pulchra" = Xestotrema pulchrum Meek 1860
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
 Athyridida - Athyrididae
Composita sp. Brown 1849
Strophomenata
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
 Productida - Paucispiniferidae
Hystriculina sp. Muir-Wood and Cooper 1960
 Productida - Linoproductidae
 Productida - Productidae
"Squamaria ivesi" = Peniculauris ivesi, Squamaria sp.
"Squamaria ivesi" = Peniculauris ivesi Newberry 1861
 Productida - Productellidae
Rugatia occidentalis Newberry 1861
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
 Lingulida - Discinidae
Gastropoda
 Heterostropha - Donaldinidae
Donaldina sp. Knight 1933 snail
 Neritoidea - Naticopsidae
Naticopsis (Jedia) sp. M'Coy 1844 snail
 Caenogastropoda - Orthonematidae
Orthonema cf. socorroense Girty 1909 snail
 Caenogastropoda - Meekospiridae
Girtyspira sp. Knight 1936 snail
Meekospira sp. Ulrich and Scofield 1897 snail
 Murchisoniina - Lophospiridae
? Platyworthenia sp. Chronic 1952 snail
 Murchisoniina - Soleniscidae
aff. Strobeus sp. de Koninck 1881 snail
 Murchisoniina - Gosseletinidae
Glabrocingulum coronatum Chronic 1952 snail
[entered as Glabrocingulum corenatum]
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium spp. Linnaeus 1758 tusk shell
Plagioglypta sp. Pilsbry 1898 tusk shell
Cephalopoda
 Nautilida - Liroceratidae
Bivalvia
 Nuculanida - Polidevciidae
Polidevcia sp. Tschernyschev 1943 clam
 Trigoniida - Schizodidae
Eoastarte subcircularis Ciriacks 1963 clam
Schizodus bifidus Ciriacks 1963 clam
 Trigoniida - Scaphellinidae
? Scaphellina sp. Newell and Ciriacks 1962 clam
 Cardiida - Kalenteridae
Permophorus sp. Chavan 1954 clam
 Cardiidia - Sanguinolitidae
"Sanguinolites elongatus" = Vacunella elongata
"Sanguinolites elongatus" = Vacunella elongata Ciriacks 1963 clam
 Carditida - Astartidae
Astartella subquadrata Girty 1909 clam
 Ostreida - Pinnidae
Aviculopinna sp. Meek 1864 oyster
 Pectinida - Heteropectinidae
Girtypecten sp., "Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus
Girtypecten sp. Newell 1938 scallop
"Aviculopecten cf. phosphaticus" = Vnigripecten phosphaticus Girty 1910 scallop
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
Aviculopecten cf. kaibabensis Newell 1938 scallop
 Pectinida - Streblochondriidae
"? Streblochondria cf. tubicostata" = Guizhoupecten tubicostata
"? Streblochondria cf. tubicostata" = Guizhoupecten tubicostata Ciriacks 1963 scallop