Blackwood Locality (Permian of the United States)

Also known as South of Buffalo Gap

Where: Taylor County, Texas (32.2° N, 99.8° W: paleocoordinates 1.2° N, 29.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Vale Formation (Clear Fork Group), Kungurian (279.3 - 272.3 Ma)

• Extensive discussion of the vale formation can be found in Olson & Mead (1982)

• member-level stratigraphic resolution

Environment/lithology: wet floodplain; red siltstone and sandstone

• Outcrops are made up predominantly of red and maroon siltstones with irregularly distributed beds and lenses of sandstone, mudstone, and conglomerate.

Size class: macrofossils

Collection methods: Location discovered by David Berman of the Carnegie Museum, Pittsburgh, Pennsylvania.

Primary reference: E. C. Olson and J. G. Mead. 1982. The Vale Formation (Lower Permian): Its Vertebrates and Paleoecology. Texas Memorial Museum Bulletin 29 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178738: authorized by Richard Butler, entered by Emma Dunne on 13.05.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Osteichthyes
 Seymouriamorpha - Seymouriidae
Seymouria grandis
Seymouria grandis Olson 1979 tetrapod
UCLA VP 485; two vertebrae of the dorsal series; UCLA VP 459; a small dorsal vertebra; UCLA VP 559; two large, dorsolumbar; vertebrae; UCLA VP 570; small, pre- sacral vertebra;UCLAVP575; part of maxilla with alveoli for teeth, proximal half of femur found in close association with maxilla; assignment of femur tentative. UCLA VP 597; interclavicle
 Cotylosauria - Diadectidae
Diadectes sp.
Diadectes sp. Cope 1878 tetrapod
 Synapsida - Sphenacodontidae
"Dimetrodon gigashomogenes" = Dimetrodon giganhomogenes
"Dimetrodon gigashomogenes" = Dimetrodon giganhomogenes Case 1907 synapsid
Reptilia
 Eureptilia - Captorhinidae
Labidosaurus hamatus, Captorhinus aguti, Labidosaurikos sp., "Labidosaurikos barkeri" = Labidosaurikos meachami, Captorhinikos chozaensis
Labidosaurus hamatus Cope 1896 eureptile
Captorhinus aguti Cope 1882 eureptile
Labidosaurikos sp. Stovall 1950 eureptile
"Labidosaurikos barkeri" = Labidosaurikos meachami Stovall 1950 eureptile
Captorhinikos chozaensis Olson 1954 eureptile
Amphibia
 Nectridea - Diplocaulidae
Diplocaulus recurvatus
Diplocaulus recurvatus Olson 1952 tetrapod
 Temnospondyli - Eryopidae
Eryops megacephalus
Eryops megacephalus Cope 1877 tetrapod