Where: Piura, Peru (4.7° S, 80.8° W: paleocoordinates 21.8° S, 57.1° 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. Fossil bed not specified.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale and lithified sandstone
Size class: macrofossils
Preservation: mold/impression
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 41389: authorized by David Bottjer, entered by Matthew Clapham on 13.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Lingulata | |
Orbiculoidea prietana Chronic 1949 | |
Bivalvia | |
"Allorisma insolitum" = Goniomya singaporensis, "Allorisma barringtoni" = Exochorhynchus barringtoni
"Allorisma insolitum" = Goniomya singaporensis Newton 1906 clam
"Allorisma barringtoni" = Exochorhynchus barringtoni Thomas 1928 clam | |
Schizodus cf. meekanus Girty 1900 clam |