AMNH293, Bed 13b, Hacienda Carmelina section 6, San Salvador (Permian to of Peru)

Where: Cusco, Peru (13.5° S, 71.8° W: paleocoordinates 28.4° S, 48.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Bed 13 in total is 175 feet thick.

• group of beds-level stratigraphic resolution

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

• Limestone, grey and buff, sparsely 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 41344: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productidae
Dictyoclostus "sp. 1", "Marginifera capaci" = Kozlowskia capaci
"Marginifera capaci" = Kozlowskia capaci d'Orbigny 1842
 Productida - Linoproductidae
Linoproductus cora d'Orbigny 1842
 Athyridida - Neoretziidae
Hustedia sicuaniensis Chronic 1949
 Athyridida - Athyrididae
Composita subtilita Hall 1852
n. ssp. peruviana