USNM709t, Lenox Hills Formation, Leonard Mountain, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.3° N, 103.2° W: paleocoordinates 3.2° S, 35.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lenox Hills Formation, Sakmarian (295.5 - 290.1 Ma)

• Wolfcampian (Lenoxian)

• 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 43603: authorized by David Bottjer, entered by Matthew Clapham on 15.08.2004

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).
Strophomenata
 Productida - Aulostegidae
 Productida - Productellidae
Hystriculina sulcata Cooper and Grant 1975
 Productida - Productidae
Antiquatonia sp. Miloradovich 1945
 Productida - Cyclacanthariidae
 Orthotetida - Meekellidae
Meekella magnifica Cooper and Grant 1974
Rhynchonellata
 Athyridida - Athyrididae
Composita sp. Brown 1849
Composita strongyle Cooper and Grant 1976
 Terebratulida - Beecheriidae
 Spiriferida - Elythidae
"Neophricadothyris catatona" = Phricodothyris catatona
"Neophricadothyris catatona" = Phricodothyris catatona Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora molina Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma peneleve Cooper and Grant 1976
 Orthida - Enteletidae
Parenteletes superbus Cooper and Grant 1976
Cephalopoda
 Goniatitida - Marathonitidae