USNM707m, Lenox Hills Formation, Lenox Hills, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.3° N, 103.3° W: paleocoordinates 3.2° S, 36.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• In shale member between conglomerate and overlying Skinner Ranch Formation (Decie Ranch Member), 10 feet above base. Wolfcampian (Lenoxian).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; 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 43571: 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
Echinauris interrupta1 Cooper and Grant 1975
Echinauris subquadrata1 Cooper and Grant 1975
Hystriculina sulcata1 Cooper and Grant 1975
 Productida - Productidae
"Antiquatonia regularis" = Rigrantia regularis1, Kutorginella uddeni1
"Antiquatonia regularis" = Rigrantia regularis1 Cooper and Grant 1975
Kutorginella uddeni1 Cooper and Grant 1975
 Orthotetida - Meekellidae
Meekella prionota1 Cooper and Grant 1974
Rhynchonellata
 Spiriferida - Elythidae
Neophricadothyris transversa1 Cooper and Grant 1976
Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras uralicum1 Karpinsky 1874 ammonite
 Goniatitida - Perrinitidae
Properrinites boesei1 Plummer and Scott 1937 ammonite
 Goniatitida - Adrianitidae
Crimites sp.1 Toumansky 1937 ammonite
 Goniatitida - Vidrioceratidae
Prostacheoceras sp.1 Ruzhencev 1937 ammonite
Demospongea
 Epipolasida - Heliospongiidae
Heliospongia vokesi2 King 1943 demosponge