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)
• Bed 39 in total is 150 feet thick.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, nodular, shelly/skeletal 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 41356: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Dielasma scitulum Chronic 1949 | |
Strophomenata | |
Juresania hispida Chronic 1949 | |
"Dictyoclostus boliviensis" = Alpavlia boliviensis
"Dictyoclostus boliviensis" = Alpavlia boliviensis d'Orbigny 1842 | |
Gastropoda | |
Amphiscapha peruviana n. sp.
Amphiscapha peruviana n. sp. Chronic 1949 snail | |
Patellilabia aff. tentoriolum Knight 1945 snail
Retispira tenuilirata n. sp. Chronic 1949 snail | |
Borestus aff. pagoda Newell 1935 snail | |
Bivalvia | |
Polidevcia sp. Tschernyschev 1943 clam | |
"Palaeonucula terminalis n. sp." = Nuculavus terminalis
"Palaeonucula terminalis n. sp." = Nuculavus terminalis Chronic 1949 nut clam | |
? Sphenotus tentoriolus n. sp.
? Sphenotus tentoriolus n. sp. Chronic 1949 clam | |
Cypricardinia sp. Hall 1860 clam | |
Schizodus sp. King 1844 clam | |
Septimyalina cf. burmai Newell 1942 clam | |
Aviculopecten sp. M'Coy 1851 scallop | |
Streblochondria sp. Newell 1938 scallop | |
"Aviculopecten crassispinosus n. sp." = Cassianoides crassispinosus
"Aviculopecten crassispinosus n. sp." = Cassianoides crassispinosus Chronic 1949 scallop | |
"Grammatodon aff. tenuistriatus" = Parallelodon tenuistriatus
"Grammatodon aff. tenuistriatus" = Parallelodon tenuistriatus Meek and Worthen 1866 clam | |
Crinoidea | |
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