Moorefield (Weller collection) (Carboniferous of the United States)

Where: Arkansas (35.8° N, 91.6° W: paleocoordinates 13.9° S, 34.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Goniatites multiliratus ammonoid zone, Moorefield Formation, Brigantian (336.0 - 330.9 Ma)

• Moorefield formation, upper part

• bed-level stratigraphic resolution

Environment/lithology: lithified, concretionary, gray limestone

• Fossiliferous dark-gray limestone concretions

Size class: macrofossils

Collected by Stuart Weller in 1896; reposited in the FMNH

Primary reference: M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322 [J. Alroy/C. Simpson/M. Clapham]more details

PaleoDB collection 158042: authorized by Matthew Clapham, entered by Matthew Clapham on 13.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Girtyoceratidae
Girtyoceras welleri n. sp. Gordon 1964 ammonite