Zone E - Canoa Formation: Pliocene, Ecuador

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Naticidae
Polinices sp. Monfort 1810
Bivalvia - Arcida - Arcidae
Arca sp. Linnaeus 1758
Could be A. (Scapharca), A. (Cunearca), A. (Larkinia), or A. (Argina)
Bivalvia - Pectinida - Pectinidae
Pecten ventricosus Sowerby 1842
recombined as Argopecten ventricosus
Bivalvia - Cardiida - Veneridae
Chione sp. von Mühlfield 1811
Either C. (Chionopsis) or C. (Lirophora) sp.
see common names

Geography
Country:Ecuador State/province:Manabi
Coordinates: 0.2° North, 80.3° West (view map)
Paleocoordinates:0.0° South, 79.5° West
Basis of coordinate:based on nearby landmark
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:Canoa
Local section:Quebrada Mangle Local bed:108 ft
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: As exposed in the Quebrada Mangle section, the Canoa Formation has a thickness of around 125 feet, comprising Pliocene through Pleistocene marine and non-marine strata. The collection is from the basal Zone E, which has a thickness of around 8 ft.
Lithology and environment
Primary lithology:blue unlithified sandy claystone
Includes fossils?Y
Lithology description: Bluish, sandy clays, sparingly fossiliferous.
Environment:coastal indet.
Geology comments: No environmental data reported. Presumably shallow water.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: Probably collected by current authors, though text also makes referal to faunal lists by Sheppard (1930) and a collecton of Barker.
Taxonomic list comments:Exhaustive for Mollusca; nomenclature probably outdated though accurate.
Metadata
Database number:51881
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2005-06-29 08:18:40 Last modified:2013-11-25 13:37:23
Access level:group members Released:2006-06-29 08:18:40
Creative Commons license:CC BY
Reference information

Primary reference:

13814. H. A. Pilsbry and A.A. Olsson. 1941. A Pliocene fauna from Western Ecuador. Proceedings of the Natural Sciences of Philadelphia 93:1-79 [A. Miller/A. Hendy/A. Hendy]