AMNH286, Bed 7, Cerro Caya Caya Section 18 (Permian of Peru)

Where: Amazonas, Peru (6.8° S, 77.9° W: paleocoordinates 17.6° S, 48.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Copacabana Group, Artinskian (290.1 - 279.3 Ma)

• 21 feet thick.

• group of beds-level stratigraphic resolution

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

• Limestone, brown, massive, full of silicified fossils.

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 41340: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Astartidae
? Astartella cavernata n. sp. Chronic 1949 clam
Astartella nasuta Girty 1909 clam
 Nuculida - Nuculidae
"Palaeonucula cf. levatiformis" = Nuculavus levatiformis
"Palaeonucula cf. levatiformis" = Nuculavus levatiformis Walcott 1884 nut clam
Gastropoda
 Euomphalina - Euomphalidae
Amphiscapha peruviana Chronic 1949 snail
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Stems and rare plates
Strophomenata
 Productida - Rugosochonetidae
"Chonetes cf. hessensis" = Rugaria hessensis
"Chonetes cf. hessensis" = Rugaria hessensis King 1931
 Orthotetida - Schuchertellidae
Streptorhynchus cyrano n. sp. Chronic 1949
 Orthotetida - Orthotetidae