Hannatoma C: Carbonera Fm: Quebrada Seca, Columbia (Dusenbury) (Eocene of Colombia)

Where: Colombia (8.3° N, 73.7° W: paleocoordinates 6.0° N, 66.9° W)

• coordinate based on nearby landmark

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

Environment/lithology: marine

Size class: macrofossils

Collection methods: These fossils were collected by Philip P. Wolcott of the Creole Petroleum Corporation while in the field with members of the Tropical Oil Company.

Primary reference: J. W. Durham, A.N. Dusenbury, Jr, H.D. Hedberg, L. Kehrer, J.G. Marks, R.M. Stainforth, and B. Stone. 1949. The age of the Hannatoma mollusk fauna of South America; a symposium. Journal of Paleontology 23(2):145-160 [L. Ivany/C. Visaggi/C. Visaggi]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42789: authorized by Linda Ivany, entered by Christy Visaggi on 05.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only a portion of the fossils collected were identified to complete this list.
Bivalvia
 Arcida - Arcidae
"Arca (Arginella) cf. puntabravoensis" = Arginella puntabravoensis
"Arca (Arginella) cf. puntabravoensis" = Arginella puntabravoensis Olsson 1931 clam
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Pectinida - Anomiidae
Carolia sp. Cantraine 1838 scallop
 Cardiida - Solecurtidae
Tagelus bolivarensis Clark and Durham 1946 clam
 Cardiida - Tellinidae
Macoma sp. Leach 1819 tellin clam
 Cardiida - Veneridae
Pitar sp. Römer 1857 venus clam
Pitar (Pitarella) colombiana Clark and Durham 1946 venus
Transennella bolivarensis Clark and Durham 1946 venus clam
"Clementia peruviana" = Clementia (Egesta) peruviana Olsson 1928 venus clam
 Cardiida - Mactridae
Mactra sp. Linnaeus 1767 clam
Gastropoda
 Cerithioidea - Cerithiidae
 Cerithioidea - Potamididae
Harrisianella peruviana Olsson 1929 horn snail
Hannatoma emendorferi Olsson 1931 horn snail
 Cerithioidea - Turritellidae
Turritella samanensis Olsson 1928 turret shell
 Cerithioidea - Pachychilidae
Melanatria aff. acanthica Woods 1922 snail
 Sorbeoconcha - Naticidae
Polinices spp. Monfort 1810 moon snail
Crommium palmerae Clark and Durham 1946 moon snail
 Neogastropoda - Melongenidae
Cornulina "sp. 1" Conrad 1853 snail
Cornulina "sp. 2" Conrad 1853 snail
 Neogastropoda - Fasciolariidae
"Peruficus lagunitensis" = Glyptostyla lagunitensis
"Peruficus lagunitensis" = Glyptostyla lagunitensis Olsson 1929 snail
Peruficus lagunitensis var. charanalensis
 Neogastropoda - Olivellidae
Agaronia harrisi Clark and Durham 1946 snail
 Neogastropoda - Volutidae
Lyria ? sp. Gray 1847 volute
 Sorbeoconcha - Triforidae
Cerithiella sp. Verrill 1882 snail