Headwaters of Río Amana (Eocene of Venezuela)

Where: Anzoátegui, Venezuela (8.4° N, 62.8° W: paleocoordinates 6.5° N, 56.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Santa Anita Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• "6-foot bed... near the top of the Santa Anita formation... age is definitely middle or upper Eocene [based on forams]. The age suggested by the echinoids is... upper Eocene"

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone

• "hard dark-gray to brownish-gray limestone"

Size class: macrofossils

Collected by J. W. Nance in 1939; reposited in the USNM

Primary reference: C. W. Cooke. 1941. Oligopygus nancei, a new echinoid from Venezuela. Journal of Paleontology 15(3):305-306 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90060: authorized by John Alroy, entered by John Alroy on 05.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Rotaliacea - Pellatispiridae
 Orbitoidacea - Lepidocyclinidae
 Nummulitacea - Discocyclinidae
 Nummulitacea - Nummulitidae
"Operculinoides sp." = Nummulites
"Operculinoides sp." = Nummulites Lamarck 1801
Echinoidea
 Clypeasteroida - Oligopygidae
Oligopygus nancei n. sp. Cooke 1941 sand dollar