USNM711d, Hess Ranch, Glass Mountains (Permian of the United States)

Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° S, 34.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Sullivan Peak Member (Skinner Ranch Formation), Artinskian (290.1 - 279.3 Ma)

• Leonardian (Hessian)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• Skinner Ranch Formation is slope to basinal equivlant of platformal Hess Formation

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 44509: authorized by Tom Olszewski, entered by Krisha Tracy on 13.09.2004, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Phillipsiidae
Ditomopyge cf. decurtata1
Ditomopyge cf. decurtata1 Gheyselinck 1937 trilobite
Cephalopoda
 Goniatitida - Marathonitidae
Kargalites sp.2
Kargalites sp.2 Ruzhencev 1938 ammonite
Strophomenata
 Orthotetida - Meekellidae
Geyerella hessi2
Geyerella hessi2 Cooper and Grant 1974
 Productida - Aulostegidae
Limbella limbata2, Chonosteges variabilis2
Limbella limbata2 Cooper and Grant 1975
Chonosteges variabilis2 Cooper and Grant 1975
 Productida - Lyttoniidae
Coscinophora monilifera2, Eolyttonia sp.2, Eolyttonia gigantea2
Coscinophora monilifera2 Cooper and Grant 1974
Eolyttonia sp.2 Frederiks 1924
Eolyttonia gigantea2 Cooper and Grant 1974
 Productida - Cyclacanthariidae
Acritosia peculiaris2
Acritosia peculiaris2 Cooper and Grant 1975
 Productida - Paucispiniferidae
Oncosarina rotunda2
Oncosarina rotunda2 Cooper and Grant 1975
 Productida - Productidae
Peniculauris sp.2
Peniculauris sp.2 Muir-Wood and Cooper 1960
 Productida - Productellidae
Spyridiophora reticulata2, Nudauris enigmatica2
Nudauris enigmatica2 Cooper and Grant 1975
 Productida - Monticuliferidae
Compressoproductus concentricus2
Compressoproductus concentricus2 Cooper and Grant 1975
Rhynchonellata
 Terebratulida - Dielasmatidae
Dielasma hessense2
Dielasma hessense2 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma pansum2
Stenoscisma pansum2 Cooper and Grant 1976
 Rhynchonellida - Pontisiidae
Antronaria titania2
Antronaria titania2 Cooper and Grant 1976
 Rhynchonellida - Allorhynchidae
Allorhynchus sp.2
 Orthida - Enteletidae
Enteletes stehlii2
Enteletes stehlii2 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Cartorhium zoyei2
Cartorhium zoyei2 Cooper and Grant 1976
 Spiriferida - Martiniidae
Martinia sp.2
Martinia sp.2 M'Coy 1844
 Athyridida - Athyrididae
Composita discina2
Composita discina2 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia sp.2
Hustedia sp.2 Hall and Clarke 1893
1Brezinski 1992; 2Cooper and Grant 1977