Rio Misahualli, Middle Napo Formation, Lower "M-2" Limestone (Cretaceous of Ecuador)

Where: Ecuador (1.0° S, 77.7° W: paleocoordinates 6.8° S, 54.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower "M-2" Limestone Member (Middle Napo Formation), Late/Upper Turonian (93.5 - 89.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified sandstone and lithified limestone

Size class: macrofossils

Primary reference: A. V. Dhondt and E. Jaillard. 2005. Cretaceous bivalves from Ecuador and northern Peru. Journal of South American Earth Sciences 19:325-342 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 61893: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Astartidae
Astarte sp. Sowerby 1816 clam