AMNH298, Bed 54, Pasaje-Picchu Section 8 (Permian to of Peru)

Where: Apurimac, Peru (13.6° S, 73.1° W: paleocoordinates 27.7° S, 50.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• 70 feet thick.

• group of beds-level stratigraphic resolution

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

• Limestone, massive, gray, weathers rough.

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 41362: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Euomphalina - Omphalotrochidae
Omphalotrochus obtusispira Shumard 1859 snail
 Fenestrida - Fenestellidae
"Cervella cervoidea n. gen. n. sp." = Alternifenestella cervoidea
"Cervella cervoidea n. gen. n. sp." = Alternifenestella cervoidea Chronic 1949
 Fenestrida - Septoporidae
"Silvaseptopora incaica n. gen." = Septopora incaica
"Silvaseptopora incaica n. gen." = Septopora incaica Chronic 1949
 Fenestrida - Polyporidae
Polypora andina n. sp. Chronic 1949
Polypora inimica n. sp. Chronic 1949
 Cystoporida - Hexagonellidae
 Rhabdomesida - Rhomboporidae
Rhombopora picchuensis n. sp. Chronic 1949
 Orthotetida - Schuchertellidae
Kiangsiella pinguis Chronic 1949
 Athyridida - Neoretziidae
Hustedia sicuaniensis Chronic 1949
 Athyridida - Athyrididae
Composita subtilita Hall 1852
n. ssp. peruviana
 Spiriferinida - Reticulariinidae