Lake Bridgeport, loc. 4 (Carboniferous of the United States)

Where: Wise County, Texas (33.2° N, 97.8° W)

• Paleocoordinates: 5.6° S, 31.9° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Graford Formation (Canyon Group), Missourian (306.0 - 303.7 Ma)

• uppermost Jasper Creek Shale (=Upper Lake Bridgeport Shale) and overlying Devil's Den Limestone Member of the Graford Formation; near the top of the Missourian Stage

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale and lithified limestone

• shallow water of the shelf bordering the Midland Basin
• sponge-crinoid facies

Size class: macrofossils

Primary reference: J. K. Rigby, M. G. McKinzie, and B. B. Britt. 2008. Pennsylvanian sponges from thr Graford Formation, Wise County, Texas. Journal of Paleontology 82(3):492-510 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111700: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.06.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Protomonaxonida - Heliospongiidae
Heliospongia excavata
Heliospongia excavata King 1933 demosponge
Hexactinellida
 Lyssacinosa - Stiodermatidae
Dermospheroidalis irregularis
Dermospheroidalis irregularis Rigby et al. 2008 glass sponge