AMNH311, Quebrada Gramadál and Steel Hill, Amotape Mountains (Carboniferous to of Peru)

Where: Piura, Peru (4.4° S, 80.9° W: paleocoordinates 21.4° S, 57.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tarma Group, Bashkirian to Bashkirian (323.2 - 307.0 Ma)

• Atokan = late Bashkirian or early Moscovian.

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

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 41392: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Corals not included.
Bivalvia
 Pectinida - Heteropectinidae
"Aviculopecten multiscalptus" = Heteropecten multiscalptus
"Aviculopecten multiscalptus" = Heteropecten multiscalptus Thomas 1928 scallop
 Ostreida - Pinnidae
Aviculopinna spp. Meek 1864 oyster
 Carditida - Astartidae
Astartella meridionalis Thomas 1928 clam
 Cardiidia - Sanguinolitidae
"Allorisma barringtoni" = Exochorhynchus barringtoni
"Allorisma barringtoni" = Exochorhynchus barringtoni Thomas 1928 clam
 Protobranchia - Nuculanidae
"Nuculana browni" = Polidevcia browni
"Nuculana browni" = Polidevcia browni Thomas 1928 pointed nut clam
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon "sp. 1" de Montfort 1808 snail
 Bellerophontida - Euphemitidae
Euphemites sp. Warthin 1930 snail
 Murchisoniina - Gosseletinidae
Glabrocingulum amotapense Thomas 1930 snail
Strophomenata
 Productida - Productidae
"Buxtonia peruviana" = Kochiproductus peruvianus
"Buxtonia peruviana" = Kochiproductus peruvianus d'Orbigny 1842
Rhynchonellata
 Spiriferida - Spiriferidae
Lingulata
 Lingulida - Disciniidae