Tit Butte TBac (Permian of the United States)

Where: Texas (33.8° N, 98.8° W: paleocoordinates 2.2° N, 28.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lueders Formation, Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: microfossils

Collection methods: chemical, acetic,

Primary reference: G. D. Johnson. 1981. Hybodontoidei (Chondrichthyes) from the Wichita-Albany Group (Early Permian) of Texas. Journal of Vertebrate Paleontology 1(1):1-41 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117092: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2011, edited by Priscilla Vazquez

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Bransonelliformes -
Barbclabornia luedersensis1 Berman 1970 elasmobranch
 Hybodontiformes - Polyacrodontidae
Polyacrodus wichitaensis Johnson 1981 elasmobranch
Polyacrodus zideki Johnson 1981 elasmobranch
 Hybodontiformes - Acrodontidae
? Acrodus olsoni Johnson 1981 elasmobranch
 Ctenacanthiformes - Ctenacanthidae
Glikmanius occidentalis2 Leidy 1859 elasmobranch