Where: Cusco, Peru (14.2° S, 71.3° W: paleocoordinates 29.3° S, 48.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Copacabana Group, Asselian to Asselian (298.9 - 290.1 Ma)
• 250 feet thick, fossiliferous zones at 83, 122, 227, 235, and 245 ft. above base.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, shelly/skeletal, green, yellow limestone
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 41345: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
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Echinoidea | |
"Echinocrinus sp." = Archaeocidaris
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Rhynchonellata | |
Crurithyris planoconvexa Shumard 1855 | |
Hustedia sicuaniensis Chronic 1949 | |
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Strophomenata | |
"Marginifera capaci" = Kozlowskia capaci
"Marginifera capaci" = Kozlowskia capaci d'Orbigny 1842 | |
Lissochonetes assula Chronic 1949 | |
Gastropoda | |
Worthenia sp. de Koninck 1883 snail |