Lake Bridgeport Road (Carboniferous of the United States)

Where: Wise County, Texas (33.2° N, 97.8° W: paleocoordinates 6.7° S, 33.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lake Bridgeport Shale Member (Wolf Mountain Formation), Missourian (306.0 - 303.7 Ma)

• from a single "stratum" equivalent to a nearby one "approximately 1 foot thick" described by King 1932

•"Pennsylvanian" (Missourian based on age of other collections in this unit)

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, yellow, sandy limestone

• similar to a stratum described by King 1932 that is "a yellow sandy limestone... between beds of yellow clays"

•poorly lithified based on preservation of specimens

Size class: macrofossils

Collected by W. T. Watkins, R. J. Stark, F. T. Moseley; reposited in the UNSM

• specimens were "to be deposited in the U. S. National Museum"

Primary reference: H. L. Strimple. 1951. Pennsylvanian crinoids from Lake Bridgeport, Texas. Journal of Paleontology 25:200-207 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90808: authorized by John Alroy, entered by John Alroy on 17.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Disparida - Allagecrinidae
Allagecrinus bassleri
Allagecrinus bassleri Sea lily
"Allagericrinus bassleri nodosus n. subsp." and "Allagericrinus bassleri status n. subsp."
 Cyathocrinida - Codiacrinidae
Lecythiocrinus sp.
Lecythiocrinus sp. White 1880 Sea lily
 Dendrocrinida - Erisocrinidae
Erisocrinus sp.
Erisocrinus sp. Meek and Worthen 1865 Sea lily
 Dendrocrinida - Catacrinidae
Endelocrinus tumidus, Endelocrinus grafordensis, Delocrinus sp., Delocrinus pictus, Delocrinus subhemisphericus
Delocrinus sp. Miller and Gurley 1890 Sea lily
 Dendrocrinida - Graphiocrinidae
Graphiocrinus bridgeportensis n. sp.
 Dendrocrinida - Pirasocrinidae
Plaxocrinus laxus n. sp., Plaxocrinus oeconomicus n. sp., Pirasocrinus invaginatus n. sp., Perimestocrinus moseleyi n. sp.
Plaxocrinus laxus n. sp. Sea lily
Plaxocrinus oeconomicus n. sp. Sea lily
Pirasocrinus invaginatus n. sp. Sea lily
Perimestocrinus moseleyi n. sp. Sea lily
 Dendrocrinida - Laudonocrinidae
Athlocrinus sp., Laudonocrinus subsinuatus
Athlocrinus sp. Moore and Plummer 1940 Sea lily
 Dendrocrinida - Stellarocrinidae
Stellarocrinus texani n. sp., Stellarocrinus sp.
Stellarocrinus texani n. sp. Sea lily
Stellarocrinus sp. Strimple 1940 Sea lily
 Dendrocrinida - Blothrocrinidae
Elibatocrinus sp.
Elibatocrinus sp. Moore 1940 Sea lily
 Dendrocrinida - Cromyocrinidae
Ulocrinus sp.
Ulocrinus sp. Miller and Gurley 1890 Sea lily
 Dendrocrinida - Apographiocrinidae
Apographiocrinus cf. arcuatus, Apographiocrinus typicalis
Apographiocrinus typicalis Moore and Pummer 1940 Sea lily
 Taxocrinida - Synerocrinidae
Euonychocrinus subservire n. sp.
 Sagenocrinida - Mespilocrinidae
Cibolocrinus erectus n. sp.
Cibolocrinus erectus n. sp. Sea lily
 Sagenocrinida - Euryocrinidae
Amphicrinus sp.