Punta Bellaca (Pliocene of Ecuador)

Also known as CRB123a

Where: Esmeraldas, Ecuador (0.6° S, 80.5° W: paleocoordinates 0.8° S, 79.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Upper Member (Onzole Formation), Pliocene (5.3 - 2.6 Ma)

• Onzole Fm. considered Miocene in Longbottom (1979). Most recently Pliocene (Aalto and Miller, 1999).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the BMNH

Primary reference: A. E. Longbottom. 1979. Miocene Sharks' teeth from Ecuador. Bulletin of The British Museum (Natural History) Geology 32:57-70 [C. Jaramillo/C. Pimiento]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151893: authorized by Carlos Jaramillo, entered by Catalina Pimiento on 15.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

• Originally proposed to occur in transitional strata between Borbon and Onzole Fms. (Longbottom, 1979). Both were formerly considered Miocene. Most recently, they have been propose to be Pliocene (Aalto and Miller, 1999).
Chondrichthyes
 Carcharhiniformes - Carcharhinidae
Negaprion eurybathrodon Blake 1862 lemon shark
Carcharhinus egertoni Agassiz 1843 requiem shark
 Squaliformes - Dalatiidae
Isistius triangulus Probst 1879 shark