Punta Bellaca: Pliocene, Ecuador

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Carcharhiniformes - Carcharhinidae
Carcharhinus egertoni Agassiz 1843
Negaprion eurybathrodon (Blake 1862)
Chondrichthyes - Dalatiidae
Isistius triangulus (Probst 1879)
original and current combination Scymnus triangulus
see common names

Geography
Country:Ecuador State/province:Esmeraldas
Coordinates: 0.6° South, 80.5° West (view map)
Paleocoordinates:0.8° South, 79.6° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
10 m.y. bin:Cenozoic 6
Key time interval:Pliocene
Age range of interval:5.33300 - 2.58000 m.y. ago
Stratigraphy
Formation:Onzole Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: Onzole Fm. considered Miocene in Longbottom (1979). Most recently Pliocene (Aalto and Miller, 1999).
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:taxonomic analysis
Museum repositories:BMNH
Taxonomic list comments: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).
Metadata
Also known as:CRB123a
Database number:151893
Authorizer:C. Jaramillo Enterer:C. Pimiento
Modifier:C. Pimiento
Created:2013-10-15 13:25:07 Last modified:2013-10-14 21:29:30
Access level:authorizer only Released:2013-10-15 13:25:07
Creative Commons license:CC BY
Reference information

Primary reference:
48478. A. E. Longbottom. 1979. Miocene Sharks' teeth from Ecuador. Bulletin of The British Museum (Natural History) Geology 32:57-70 [C. Jaramillo/C. Pimiento]

Secondary references:

48533 E. X. M. García, M. Telles-Antunes, A. Cáceres-Balbino, F. Ruiz-Muñoz, and J. Civis-Llovera. 2009. Los tiburones Lamniformes (Chondrichthyes, Galeomorphii) del Plioceno inferior de la Formación Arenas de Huelva, suroeste de la cuenca del Guadalquivir, España. Revista Mexicana de Ciencias Geológicas 26(3):674-686 [C. Jaramillo/C. Pimiento/M. Uhen]