C47B Borchina, Guajira Peninsula, Columbia (Oligocene of Colombia)

Where: La Guajira, Colombia (11.9° N, 71.6° W: paleocoordinates 10.4° N, 66.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Oligocene (28.4 - 23.0 Ma)

Environment/lithology: marine

• No information provided other than the Balanus specimen has a sandstone matrix. (General comments indicate that the bulk of early Tertiary sediments in the region are limestones of shallow water or coastal origin together with some shale).

Size class: macrofossils

Reposited in the ANSP

• The fossils were collected by Dr. Pierre Butticaz. They were submitted to the Academy of Natural Sciences by Ben F. Uhl, President of the Conorada Petroleum Oil Company.

Primary reference: A. A. Olsson and H.G. Richards. 1961. Some Tertiary fossils from Goajira peninsula of Colombia. Notulae Naturae of the Academy of Natural Sciences of Philadelphia 350:1-15 [L. Ivany/C. Visaggi/C. Visaggi]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42770: authorized by Linda Ivany, entered by Christy Visaggi on 05.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Neogastropoda - Olivellidae
Agaronia sp.
Agaronia sp. Gray 1839 snail
 Neogastropoda - Melongenidae
Melongena melongena
Melongena melongena Linnaeus 1758 snail
Melongena melongena consors
 Neogastropoda - Fasciolariidae
Mancorus grabaui
Mancorus grabaui Olsson 1931 snail
 Neogastropoda - Turbinellidae
"Xancus buccina n. sp." = Turbinella buccina
"Xancus buccina n. sp." = Turbinella buccina Olsson and Richards 1961 snail
 Neotaenioglossa - Calyptraeidae
cf. Calyptraea cf. centralis
cf. Calyptraea cf. centralis Conrad 1841 slipper shell
 Architaenioglossa - Ampullinidae
Ampullinopsis spenceri
Ampullinopsis spenceri Cooke 1919 snail
 Cerithioidea - Turritellidae
Turritella meroensis
Turritella meroensis Olsson 1931 turret shell
Bivalvia
 Pectinida - Pectinoidae
"Pecten (Flabellipecten) duplex" = Flabellipecten duplex
"Pecten (Flabellipecten) duplex" = Flabellipecten duplex Cooke 1919 scallop
 Cardiida - Veneridae
"Pitar cf. chiraensis" = Agriopoma (Pitarella) chiraensis, Clementia (Egesta) peruviana
"Pitar cf. chiraensis" = Agriopoma (Pitarella) chiraensis Olsson 1931 venus
Clementia (Egesta) peruviana Olsson 1928 venus clam
Thecostraca
 Balanomorpha - Balanidae
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle
Balanus concavus subsp.