Cordilla Oriental Section. 1800 m above base. 50 K NNW Salta (50 K SSW Sella) (Ordovician of Argentina)

Where: Jujuy, Argentina (24.2° S, 65.3° W: paleocoordinates 42.7° S, 130.6° W)

• local area-level geographic resolution

When: Didymograptus bifidus graptolite zone, Acoite Formation, Floian (477.7 - 470.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; shale

• "This unit is an upward-thickening shelf sequence."

Size class: macrofossils

Collection methods: quarrying,

Primary reference: T. M. Sanchez. 1997. Additional Mollusca (Bivalvia and Rostroconchia) from the Suri Formation, Early Ordovician (Arenig), western Argentina. Journal of Paleontology 71(6):1046-1053 [A. Miller/R. Krause/R. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14225: authorized by Arnold Miller, entered by Rich Krause on 28.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta spp.
Ctenodonta spp. Salter 1852 clam
 Afghanodesmatida - Tironuculidae
Natasia boliviensis
Natasia boliviensis Babin and Branisa 1987 clam
 Heteroconchia - Lipanellidae
? Cosmogoniophorina tenuicostata