USNM702t, Gap Tank, Stockton Gap, Glass Mountains (Permian of the United States)

Where: Brewster County, Texas (30.4° N, 103.0° W: paleocoordinates 4.5° S, 36.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Neal Ranch Formation, Asselian (298.9 - 295.5 Ma)

• Wolfcampian (Nealian)

• 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 43509: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004, edited by Uta Merkel

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).
Show authors, comments, and common names
Anthozoa
 Stauriida - Hapsiphyllidae
Monophyllum cassum n. sp.4
Monophyllum cassum n. sp.4 Fedorowski 1987 horn coral
 Stauriida - Antiphyllidae
Actinophrentis columnare4
Actinophrentis columnare4 Fedorowski 1987 horn coral
 Stauriida - Lophophyllidae
Lophophyllidium (Lophophyllidium) dunbari4, Lophophyllidium (Lophophyllidium) skinneri4
Lophophyllidium (Lophophyllidium) dunbari4 Moore and Jeffords 1941 horn coral
Lophophyllidium (Lophophyllidium) skinneri4 Ross and Ross 1962 horn coral
Gastropoda
 Murchisoniina - Phymatopleuridae
Tapinotomaria globosa1, Paragoniozona cf. nodolirata1, Phymatopleura brazoensis1, Worthenia speciosa2
Tapinotomaria globosa1 Batten 1958 snail
Paragoniozona cf. nodolirata1 Nelson 1947 snail
Listed incorrectly as USNM712 in text
Phymatopleura brazoensis1 Shumard 1860 snail
Listed incorrectly as USNM712 in text
Worthenia speciosa2 Meek and Worthen 1860 snail
 Murchisoniina - Gosseletinidae
"Glyptotomaria (Glyptotomaria) marginata" = Dictyotomaria marginata1, "Glabrocingulum (Glabrocingulum) texanum" = Glabrocingulum texanum2, Glabrocingulum (Glabrocingulum) diablo2, Apachella franciscana2
"Glyptotomaria (Glyptotomaria) marginata" = Dictyotomaria marginata1 Batten 1958 snail
"Glabrocingulum (Glabrocingulum) texanum" = Glabrocingulum texanum2 Batten 1989 snail
Apachella franciscana2 Chronic 1952 snail
Cephalopoda
 Goniatitida - Marathonitidae
? Almites sp.3
? Almites sp.3 Toumansky 1941 ammonite
Strophomenata
 Productida - Productellidae
Nudauris tribulosa3
Nudauris tribulosa3 Cooper and Grant 1975
1Batten 1958; 2Batten 1989; 3Cooper and Grant 1977; 4Fedorowski 1987