ammonites
HM-15-W-14, Alacran Mountain, Cerro Alto limestone (Permian of the United States)

Where: Texas (31.7° N, 105.8° W: paleocoordinates 1.0° N, 35.8° W)

When: Cerro Alto limestone Formation, Sakmarian (295.0 - 290.1 Ma)

Environment/lithology: gray limestone

Size class: microfossils

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 131437: authorized by Matthew Clapham, entered by Lindy Edwards on 25.07.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)