USNM721, Eagle Butte (Permian of the United States)

Where: Texas (31.1° N, 105.1° W: paleocoordinates 1.6° S, 36.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hueco Formation, Sakmarian (295.5 - 290.1 Ma)

• Lower beds

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: E. L. Yochelson. 1956. Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History 110(3):173-276 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101775: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Stauriida - Lophophyllidae
Lophophyllidium (Lophophyllidium) dunbari3 Moore and Jeffords 1941 horn coral
 Stauriida - Lophotichiidae
Assimulia (Ericina) fracta3 Fedorowski 1987 horn coral
Paraduplophyllum (Vacoea) tubaeformis3 Fedorowski 1987 horn coral
ssp. reductum
 Stauriida - Plerodiffiidae
Plerodiffia eaglebuttensis n. gen. n. sp.2 Fedorowski 1985 horn coral
 Stauriida - Diffingiidae
Turgidiffia columellata2 Fedorowski 1985 horn coral
Turgidiffia composita n. gen.2 Fedorowski 1985 horn coral
Turgidiffia completa2 Fedorowski 1985 horn coral
Diffingia divisa2 Fedorowski 1985 horn coral
Gastropoda
 Murchisoniina - Eotomariidae
"Euconospira pulchra" = Spiroscala quasipulchra1, Euconospira varizona1
"Euconospira pulchra" = Spiroscala quasipulchra1 Karapunar and Nützel 2022 snail
Euconospira varizona1 Batten 1958 snail