AMNH297, Bed 12, Cerro Ampáy section 7, Abancáy (Permian to of Peru)

Where: Apurimac, Peru (13.6° S, 72.9° W: paleocoordinates 27.9° S, 49.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Copacabana Group, Asselian to Asselian (298.9 - 290.1 Ma)

• 850 feet thick, fossils at base, 40 ft, 300, 435, 615, and 640 ft.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal, gray limestone

• Limestone, light gray, very fossiliferous

Size class: macrofossils

Preservation: replaced with silica

Collection methods: bulk, chemical,

Primary reference: N. D. Newell, J. Chronic, and T.G. Roberts. 1953. Upper Paleozoic of Peru. Geological Society of America Memoir 58:1-276 [D. Bottjer/M. Clapham/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41350: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinodea indet.
Stems and rare plates
 Productida - Productellidae
"Dictyoclostus boliviensis" = Alpavlia boliviensis
"Dictyoclostus boliviensis" = Alpavlia boliviensis d'Orbigny 1842