USGS 25558-PC. Granite Mountain (Carboniferous of the United States)

Also known as North bank of drainage, ~1800' due south of northeast corner of sec. 18.

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. & W.E. McCaslin 19 Sept. 1974

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 59830: authorized by Pete Wagner, entered by Pete Wagner on 16.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Goniatitidae
Goniatites americanus Gordon 1971 ammonite
Gastropoda
 Murchisoniina - Gosseletinidae
Lunulazona nodomarginata McChesney 1861 snail
Mourlonia venusta Gordon and Yochelson 1987 snail
Trepospira (Angyomphalus) regularis Gordon and Yochelson 1987 snail
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail