Midwest Minerals quarry, Coffeyville (Carboniferous of the United States)

Where: Montgomery County, Kansas (37.0° N, 95.5° W: paleocoordinates 4.2° S, 29.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lake Neosho Shale Member (Altamont Limestone Formation), Kasimovian (307.0 - 303.7 Ma)

• Altamont Limestone is basal Kasimovian unit in midcontinent region (Schmitz & Davydov, 2012).

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

• Authors favor interpretation of deposition in deep water under stagnant, dysaerobic conditions.

Size class: macrofossils

Collection methods: Repository: Fort Hays State Museum (FHSM) in Hays, Kansas. Additional fossils at the Bob Campbell Geology Museum (BCGM) in Clemson, South Carolina.

Primary reference: S. A. Hamm and D. J. Cicimurri. 2005. Middle Pennsylvanian (Desmoinesian) chondrichthyans from the Lake Neosho Shale Member of the Altamont Limestone in Montgomery County, Kansas. Paludicola 5(2):65-76 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132333: authorized by Matthew Clapham, entered by Matthew Clapham on 14.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Symmoriiformes - Symmoriidae
Petrodus patelliformis McCoy 1848 elasmobranch
 Ctenacanthiformes - Ctenacanthidae
"Cladodus occidentalis" = Glikmanius occidentalis, Bythiacanthus sp.
"Cladodus occidentalis" = Glikmanius occidentalis Leidy 1859 elasmobranch
Bythiacanthus sp. StJohn and Worthen 1875 elasmobranch
  - Listracanthidae
Listracanthus hystrix Newberry and Worthen 1870 elasmobranch
 Cochliodontiformes - Cochliodontidae
Deltodus cf. angularis Newberry and Worthen 1866 chimaera
  - Lagarodontidae
Lagarodus angustus Romanovsky 1864 chimaera
 Petalodontiformes - Petalodontidae
Petalodus ohioensis Safford 1853 chimaera
 Eugeneodontiformes - Edestidae
Edestus cf. heinrichi Newberry and Worthen 1870 chimaera
 Eugeneodontiformes - Caseodontidae
Caseodus eatoni Zangerl 1981 chimaera