USNM716r, Hess Ranch Horst, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.2° W: paleocoordinates 0.8° S, 34.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lenox Hills Formation, Artinskian (290.1 - 279.3 Ma)

• Upper Lenox Hills Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

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 75954: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.11.2007, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• A variety of papers list the brachiopods, nearly all gastropods, most bivalves (except primarily Paleotaxodonts), trilobites, chitons, siliceous sponges, rugose corals (only from Gaptank and Asselian/Sakmarian formations).
Anthozoa
 Stauriida - Lophophyllidae
Lophophyllidium (Lophbillidium) "sp. 1"3 Fedorowski 1986 horn coral
Strophomenata
 Strophomenida - Rugosochonetidae
Sulcataria "sp. 2"2 Cooper and Grant 1969
 Productida - Paucispiniferidae
Hystriculina sulcata2 Cooper and Grant 1975
 Productida - Productellidae
Nudauris convexa2 Cooper and Grant 1975
 Productida - Aulostegidae
 Productida - Cyclacanthariidae
Rhynchonellata
 Rhynchonellida - Stenoscismatidae
Stenoscisma "sp. 2"2 Conrad 1839
 Orthida - Rhipidomellidae
Rhipidomella miscella2 Cooper and Grant 1976
 Orthida - Schizophoriidae
Acosarina sp.2 Cooper and Grant 1969
 Orthida - Enteletidae
Parenteletes superbus2 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Gypospirifer anancites2 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia trita2 Cooper and Grant 1976
subsp. trita
 Athyridida - Athyrididae
Composita discina2 Cooper and Grant 1976
Trilobita
 Proetida - Phillipsiidae
Ditomopyge sp.1 Newell 1931 trilobite