USNM 3301, East (Sequoyah) Mountain (Carboniferous of the United States)

Where: Washington County, Arkansas (36.1° N, 94.1° W: paleocoordinates 10.0° S, 33.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Eumorphoceras milleri ammonoid zone, Fayetteville Formation, Pendleian (330.9 - 327.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Fayetteville Shale, roughly 75 ft below the base of the Wedington Sandstone Mbr. AGE: Pendleian, based on Eumorphoceras milleri zone.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

• SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, assumed on the basis of figured specimens.

Size class: macrofossils

Collected by M. Gordon, J.N. Payne, R.A. Lewandowski in 1953; reposited in the USNM

• COLLECTORS: M. Gordon, J.N. Payne, R.A. Lewandowski, Apr. 23, 1953. REPOSITORY: USNM.

Primary reference: R. H. Flower and M. Gordon. 1959. More Mississippian belemnites. Journal of Paleontology 33(5):809-842 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84400: authorized by Austin Hendy, entered by Austin Hendy on 16.10.2008, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Only includes Cephalopoda. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
 Pseudorthocerida - Pseudorthoceratidae
 Prolecanitida - Pronoritidae
"Pronorites baconi" = Megapronorites baconi
"Pronorites baconi" = Megapronorites baconi Miller et al. 1952 ammonite
 Goniatitida - Girtyoceratidae
Eumorphoceras milleri n. sp. Gordon 1964 ammonite
 Goniatitida - Glaphyritidae
"Cravenoceras fayettevillae" = Glaphyrites fayettevillae Gordon 1964 ammonite
Paracravenoceras ozarkense Gordon 1960 ammonite
Fayettevillea planorbis n. sp. Gordon 1960 ammonite
 Goniatitida - Muensteroceratidae
Muensteroceras pisiforme n. sp. Gordon 1964 ammonite
 Hematitida - Hematitidae
Paleoconus bakeri n. sp. Flower and Gordon 1959 belemnite
Hematites barbarae Flower and Gordon 1959 belemnite