USGS 17018-PC. Granite Mountain (Carboniferous of the United States)

Also known as Concretions 3.5-5 ft above top of marker bed, 4650 ft. due north of high point on Granite Mountain

Where: Juab County, Utah (39.6° N, 113.7° W: paleocoordinates 2.3° S, 48.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Chainman Shale Formation, Meramecian (343.0 - 335.5 Ma)

• Goniatites americanus zone

• bed-level stratigraphic resolution

Environment/lithology: poorly lithified, black, gray limestone

• a massive grayish-black siliceous spiculitic limestone

Reposited in the USNM

Collection methods: surface (in situ), mechanical,

• M. Gordon Jr. & C.L. Repening 16 May 1957

Primary reference: M. Gordon and E. L. Yochelson. 1987. Late Mississippian gastropods of the Chainman Shale, West-Central Utah. United States Geological Survey Professional Paper 1368:1-112 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59829: authorized by Pete Wagner, entered by Pete Wagner on 16.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Bellerophontida - Euphemitidae
Euphemites "sp. B" Warthin 1930 snail
 Bellerophontida - Bellerophontidae
Retispira cf. textilis Miller 1877 snail
 Bellerophontida - Tropidodiscidae
"Sinuitina (Vorticina) vortex n. sp." = Vorticina vortex
"Sinuitina (Vorticina) vortex n. sp." = Vorticina vortex Gordon and Yochelson 1987 snail
 Murchisoniina - Murchisoniidae
Bellazona bella Walcott 1884 snail
 Murchisoniina - Soleniscidae
? Ianthinopsis sp. Meek and Worthen 1866 snail
 Murchisoniina - Gosseletinidae
Mourlonia venusta n. sp. Gordon and Yochelson 1987 snail
Lunulazona nodomarginata McChesney 1861 snail
Trepospira (Angyomphalus) regularis Gordon and Yochelson 1987 snail
Cephalopoda
 Goniatitida - Goniatitidae
Goniatites americanus Gordon 1971 ammonite