Manglaralto (Oligocene of Ecuador)

Where: Guayas, Ecuador (1.9° S, 80.9° W: paleocoordinates 3.7° S, 75.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Oligocene (28.4 - 23.0 Ma)

• equivalent to Heath shales

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary shale

• collected from large limestone concretion in shale cliffs

Primary reference: A. A. Olsson. 1931. Contributions to the Tertiary Paleontology of Northern Peru: Part 4, The Peruvian Oligocene. Bulletins of American Paleontology 17(63) [L. Ivany/L. Ivany]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64580: authorized by Linda Ivany, entered by Linda Ivany on 10.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell
Gastropoda
 Neogastropoda - Buccinidae
Siphonalia sp.
Siphonalia sp. Adams 1863 true whelk
Bivalvia
 Solemyida - Solemyidae
Solemya sp.
Solemya sp. Children 1823 Awning Clam
 Cardiida - Vesicomyidae
Pleurophopsis sp.
 Lucinida - Thyasiridae
Thyasira sp.
Thyasira sp. Lamarck 1818 clam
 Lucinida - Lucinidae
? Myrtaea cookei n. sp.
? Myrtaea cookei n. sp. Olsson 1931 clam