USNM707o, Lenox Hills, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.3° N, 103.4° W: paleocoordinates 2.9° S, 35.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lenox Hills Formation, Sakmarian (293.5 - 290.1 Ma)

• Lower 30 feet of shale below Decie Ranch Member. 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 43573: 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).
Demospongiae
 Protomonaxonida - Heliospongiidae
Heliospongia vokesi2 King 1943 demosponge
Strophomenata
 Productida - Paucispiniferidae
Hystriculina sp.1 Muir-Wood and Cooper 1960
 Productida - Productellidae
Nudauris splendens1 Cooper and Grant 1975
 Productida - Productidae
"Antiquatonia regularis" = Rigrantia regularis1
"Antiquatonia regularis" = Rigrantia regularis1 Cooper and Grant 1975
Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras uralicum1 Karpinsky 1874 ammonite
 Goniatitida - Marathonitidae
Almites sellardsi1 Plummer and Scott 1937 ammonite
Gastropoda
 Euomphalina - Omphalotrochidae
Omphalotrochus alleni n. sp.3 Yochelson 1956 snail
 Bellerophontida - Bellerophontidae