Headwaters of Río Amana: Late Eocene, Venezuela
collected by J. W. Nance 1939

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lepidocyclinidae
Pellatispiridae
Nummulitidae
Discocyclinidae
Echinoidea - Clypeasteroida - Oligopygidae
see common names

Geography
Country:Venezuela State/province:Anzoátegui
Coordinates: 8.4° North, 62.8° West (view map)
Paleocoordinates:7.5° North, 51.2° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Eocene
Stage: Priabonian 10 m.y. bin: Cenozoic 3
Key time interval: Late Eocene
Age range of interval: 37.71 - 33.9 m.y. ago
Stratigraphy
Formation:Santa Anita
Stratigraphic resolution:bed
Stratigraphy comments: "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"
Lithology and environment
Primary lithology:gray lithified "limestone"
Lithology description: "hard dark-gray to brownish-gray limestone"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:J. W. Nance Collection dates:1939
Metadata
Database number:90060
Authorizer:J. Alroy Enterer:J. Alroy
Research group:marine invertebrate
Created:2009-07-05 09:30:11 Last modified:2025-02-22 15:12:02
Access level:the public Released:2009-07-05 09:30:11
Creative Commons license:CC0
Reference information

Primary reference:
30186. C. W. Cooke. 1941. Oligopygus nancei, a new echinoid from Venezuela. Journal of Paleontology 15(3):305-306 [J. Alroy/J. Alroy]