USNM702low, Split Tank, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.1° W: paleocoordinates 1.1° N, 33.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cathedral Mountain Formation, Kungurian (279.3 - 272.3 Ma)

• Includes section of Institella Zone from basal conglomerate for 81 feet, and also includes parts of USNM 702un, 702inst, and 702ent. Leonardian (Cathedralian).

• 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 43504: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004

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).
Craniata
 Craniida - Craniidae
Lepidocrania tardispinosa2 Cooper and Grant 1974
Strophomenata
 Strophomenida - Rugosochonetidae
Dyoros (Tetragonetes) rectangulatus2 Cooper and Grant 1975
 Productida - Aulostegidae
Xenosteges adherens2 Muir-Wood and Cooper 1960
Edriosteges multispinosus2 Muir-Wood and Cooper 1960
Chonosteges variabilis2 Cooper and Grant 1975
 Productida - Cyclacanthariidae
? Taphrosestria sp.2 Cooper and Grant 1975
 Productida - Hercosiidae
Hercosia uddeni2 Bose 1916
 Productida - Lyttoniidae
Choanodus irregularis2 Cooper and Grant 1974
Eolyttonia pocillata2 Cooper and Grant 1974
Eolyttonia circularis2 Cooper and Grant 1974
Loxophragmus ellipticus2 Cooper and Grant 1974
Collemataria gregaria2 Cooper and Grant 1974
Petasmaia expansa2 Cooper and Grant 1969
 Productida - Productellidae
Echinauris irregularis2 Cooper and Grant 1975
Rugatia paraindica2 McKee 1938
Nudauris linospina2 Cooper and Grant 1975
Thamnosia anterospinosa2 Cooper and Grant 1969
 Productida - Productidae
 Productida - Monticuliferidae
Compressoproductus curtus2 Cooper and Grant 1975
 Productida - Linoproductidae
Megousia auriculata2 Muir-Wood and Cooper 1960
Megousia umbonata2 Cooper and Grant 1975
Linoproductus delicatus2 Cooper and Grant 1975
 Orthotetida - Derbyiidae
Derbyia complicata2 Cooper and Grant 1974
Derbyia laqueata2 Cooper and Grant 1974
Derbyia informis2 Cooper and Grant 1974
Diplanus lamellatus2 King 1931
 Orthotetida - Meekellidae
Meekella calathica2 Cooper and Grant 1974
Niviconia globosa2 King 1931
Rhynchonellata
 Spiriferida - Martiniidae
Martinia miranda2 Cooper and Grant 1976
 Spiriferida - Trigonotretidae
Lepidospirifer demissus2 Cooper and Grant 1976
Neospirifer mansuetus2 Cooper and Grant 1976
 Spiriferida - Elythidae
"Neophricadothyris bullata" = Permophricodothyris bullata2
"Neophricadothyris bullata" = Permophricodothyris bullata2 Cooper and Grant 1976
 Athyridida - Neoretziidae
Hustedia ampullacea2 Cooper and Grant 1976
Hustedia lusca2 Cooper and Grant 1976
Hustedia spicata2 Cooper and Grant 1976
 Athyridida - Athyrididae
Composita sp.2 Brown 1849
Composita bucculenta2 Cooper and Grant 1976
Composita stalagmium2 Cooper and Grant 1976
 Rhynchonellida - Stenoscismatidae
Stenoscisma fabarium2 Cooper and Grant 1976
Stenoscisma triquetrum2 Cooper and Grant 1976
Stenoscisma doricranum2 Cooper and Grant 1976
Stenoscisma exutum2 Cooper and Grant 1976
 Rhynchonellida - Wellerellidae
Chaeniorhynchus inauris2 Cooper and Grant 1976
Trophisina fenaria2 Cooper and Grant 1976
Cenorhynchia mitigata2 Cooper and Grant 1976
Cenorhynchia saginata2 Cooper and Grant 1976
Phrenophoria vetula2 Cooper and Grant 1976
Tautosia pulchra2 Cooper and Grant 1976
 Rhynchonellida - Pontisiidae
Antronaria speciosa2 Cooper and Grant 1976
Anteridocus gongylus2 Cooper and Grant 1976
Pontisia stehlii2 Cooper and Grant 1969
ssp. tumidosa
 Rhynchonellida - Petasmatheridae
Petasmatherus mundus2 Cooper and Grant 1976
 Rhynchonellida - Rhynchoporidae
Rhynchopora hebetata2 Cooper and Grant 1976
 Terebratulida - Cryptonellidae
Texarina wordensis2 King 1931
 Terebratulida - Notothyrididae
Chondronia bella2 Cooper and Grant 1976
 Terebratulida - Dielasmatidae
Dielasma obesum2 Cooper and Grant 1976
Dielasma perplexum2 Cooper and Grant 1976
 Orthida - Schizophoriidae
 Orthida - Enteletidae
 Orthida - Rhipidomellidae
Rhipidomella hispidula2 Cooper and Grant 1976
Gastropoda
 Murchisoniina - Phymatopleuridae
Tapinotomaria crassa1 Batten 1958 snail
 Murchisoniina - Gosseletinidae
Shwedagonia elegans1 Batten 1956 snail
Lacunospira altsia1 Batten 1958 snail