Where: Tolima, Colombia (4.3° N, 75.1° W: paleocoordinates 1.1° N, 44.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Aptian (122.5 - 113.0 Ma)
• On the basis of the presence of the genus Cheloniceras, it is believed that this outcrop is of upper Aptian age. This age is broadly corroborated by the finding of the ammonite Douvilleiceras about 2 kilometers downstream (higher stratigraphically).
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Preservation: cast
Reposited in the UCMP
Primary reference: J. W. Durham. 1946. Upper Aptian Nautiloids from Colombia. Journal of Paleontology 20(5):428-434 [L. Ivany/C. Story]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 64088: authorized by Linda Ivany, entered by Cristina Story on 31.08.2006, edited by Linda Ivany
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Cephalopoda | |
Cymatoceras colombiana n. sp.
Cymatoceras colombiana n. sp. Durham 1946 nautiloid | |
Heminautilus etheringtoni n. sp.
| |
Cheloniceras sp. Hyatt 1903 ammonite | |
cf. Puzosia sp. Bayle 1878 ammonite |