Lake Bridgeport, loc. 1 (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 111697: 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
Hexactinellida
 Reticulosa - Docodermatidae
Endoplegma calathus
Endoplegma calathus Finks 1960 glass sponge
 Reticulosa - Stereodictyidae
? Stereodictyum orthoplectum
? Stereodictyum orthoplectum Finks 1960 glass sponge
 Lyssacinosa - Stiodermatidae
Dermospheroidalis irregularis n. gen. n. sp.
Dermospheroidalis irregularis n. gen. n. sp. Rigby et al. 2008 glass sponge
Demospongiae
 Agelasida - Maeandrostiidae
Maeandrostia kansasensis
Maeandrostia kansasensis Girty 1908 demosponge
 Agelasida - Fissispongiidae
Fissispongia jacksboroensis
Fissispongia jacksboroensis King 1938 demosponge
 Protomonaxonida - Heliospongiidae
Heliospongia excavata, Coelocladia spinosa
Heliospongia excavata King 1933 demosponge
Coelocladia spinosa Girty 1908 demosponge