Negritos [Pale Greda Fm] - Nautiloidea (Eocene of Peru)

Where: Peru (4.7° S, 81.3° W: paleocoordinates 13.4° S, 110.5° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Pale Greda Formation, Lutetian (47.8 - 41.3 Ma)

• STRATIGRAPHIC RELATIONS: From the Pale Greda Formation. AGE: Eocene, according to Miller (1947); early Middle Eocene = Lutetian, according to Olsson (1928), p. 9. STRATIGRAPHIC POSITION: From unknown position in section.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified siliciclastic sediments

• ENVIRONMENT: Not stated, but probably siliciclastic shallow shelf setting.
• SPECIFIC LITHOLOGY: Unknown, but presumably siliciclastic. LITHIFICATION: Lithified based on figured specimen.

Size class: macrofossils

Reposited in the PRI

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: PRI, Ithaca.

Primary reference: A. A. Olsson. 1928. Contributions to the Tertiary paleontology of northern Peru: Part 1. Bulletins of American Paleontology 14(52) [A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81881: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to Nautiloidea described in primary publication. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Cardiida - Ungulinidae
? Diplodonta dissona
? Diplodonta dissona Olsson 1928 clam
Cephalopoda
 Nautilida - Hercoglossidae
"Eutrephoceras negritensis n. sp." = Cimomia negritensis
"Eutrephoceras negritensis n. sp." = Cimomia negritensis Olsson 1928 nautiloid
PRI 3710