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
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
Echinoidea | |
Oligopygus nancei n. sp.
Oligopygus nancei n. sp. Cooke 1941 sand dollar | |
Foraminifera | |
"Operculinoides sp." = Nummulites
"Operculinoides sp." = Nummulites Lamarck 1801 | |