USNM703e, Old Word Ranch, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 1.4° N, 33.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: China Tank Member (Word Formation), Roadian (272.3 - 268.8 Ma)

• Equivalent to Second Limestone Member of P.B. King.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43519: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Agelasida - Guadalupiidae
Exovasa cystauletoides n. gen. n. sp.2
Exovasa cystauletoides n. gen. n. sp.2 Finks 2010 demosponge
Rhynchonellata
 Rhynchonellida - Wellerellidae
Wellerella girtyi girtyi1 Cooper and Grant 1976
Phrenophoria subcarinata1 Cooper and Grant 1969
 Rhynchonellida - Allorhynchidae
Allorhynchus permianum wordense1 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia pugilla nasiterna1 Cooper and Grant 1976
Strophomenata
 Productida - Cyclacanthariidae
Cyclacantharia kingorum1 Cooper and Grant 1969
 Productida - Paucispiniferidae
 Productida - Productellidae
Echinauris lateralis1 Muir-Wood and Cooper 1960
 Productida - Strophalosiidae
 Productida - Aulostegidae
Rhamnaria kingorum1 Muir-Wood and Cooper 1960