ammonites
Esperanza (Permian of Guatemala)

Where: Guatemala (16.5° N, 90.5° W: paleocoordinates 16.5° N, 90.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Kungurian (279.5 - 272.5 Ma)

Environment/lithology: lithified, calcareous mudstone

Size class: microfossils

Collected by Sapper

Collection methods: peel or thin section

Primary reference: C. O. Dunbar. 1939. Permian Fusulines From Central America. Journal of Paleontology 13(3):344-348 [M. Clapham/L. Edwards] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129729: authorized by Matthew Clapham, entered by Lindy Edwards on 27.06.2012

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