Section 2, bed 1, Alacran Mountain, Hueco Mountains (Permian of the United States)

Where: Texas (31.9° N, 106.0° W: paleocoordinates 0.6° S, 36.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Cerro Alto Formation, Sakmarian (293.5 - 290.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• Limestone, light olive gray to olive gray, medium-bedded

Size classes: macrofossils, microfossils

Preservation: replaced with silica

Reposited in the YPM

Collection methods: peel or thin section

Primary reference: T. E. Williams. 1963. Fusulinidae of the Hueco Group (Lower Permian), Hueco Mountains, Texas. Peabody Museum of Natural History, Yale University Bulletin 18:1-122 [M. Clapham/L. Edwards/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131724: authorized by Matthew Clapham, entered by Matthew Clapham on 28.07.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Foraminifera
 Fusulinoidea - Schwagerinidae
Schwagerina eolata
Schwagerina eolata Thompson 1954
Rhynchonellata
 Athyridida - Athyrididae
Composita sp.
Composita sp. Brown 1849
 Rhynchonellida - Wellerellidae
"Wellerella" sp.
"Wellerella" sp. Dunbar and Condra 1932