AMNH520, Leonard Mountain, Glass Mountains (Permian to of the United States)

Where: Texas (30.3° N, 103.2° W: paleocoordinates 0.4° N, 33.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Skinner Ranch Formation, Artinskian to Artinskian (290.1 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the AMNH

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 81696: authorized by Matthew Clapham, entered by Matthew Clapham on 11.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Agelasida - Catenispongiidae
Catenispongia agaricus2 Finks 1995 demosponge
Strophomenata
 Strophomenida - Rugosochonetidae
Micraphelia sp.1 Cooper and Grant 1969
 Productida - Scacchinellidae
Scacchinella titan1 Cooper and Grant 1975
 Productida - Cyclacanthariidae
Acritosia peculiaris1 Cooper and Grant 1975
 Productida - Paucispiniferidae
Elliottella minima1 Stehli 1954
Oncosarina sp.1 Cooper and Grant 1969
 Productida - Productellidae
? Echinauris sp.1 Muir-Wood and Cooper 1960
Kozlowskia sp.1 Fredericks 1933
 Productida - Schrenkiellidae
"Linoproductus angustus" = Coopericus angustus1
"Linoproductus angustus" = Coopericus angustus1 King 1931
 Orthotetida - Derbyiidae
Derbyia crenulata1 Girty 1908
 Orthotetida - Meekellidae
Meekella hessensis1 King 1931
Rhynchonellata
 Spiriferida - Elythidae
"Neophricadothyris bullata" = Permophricodothyris bullata1
"Neophricadothyris bullata" = Permophricodothyris bullata1 Cooper and Grant 1976
 Spiriferinida - Spiriferellinidae
 Athyridida - Neoretziidae
Hustedia hessensis1 King 1931
 Athyridida - Athyrididae
Composita apheles1 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma sp.1 Conrad 1839
 Rhynchonellida - Pontisiidae
Antronaria dissona1 Cooper and Grant 1976
 Orthida - Schizophoriidae
Orthotichia newelli1, "Acosarina dorsisulcata" = Acosarina minuta1
Orthotichia newelli1 Cooper and Grant 1976
"Acosarina dorsisulcata" = Acosarina minuta1 Abich 1878
 Orthida - Enteletidae
Enteletes sp.1 Waldheim 1825
 Orthida - Rhipidomellidae