The Viche Formation is a
Langhian (
Friasian to
Colloncuran
The Colloncuran ( es, Colloncurense) age is a period of geologic time (15.5–13.8 Ma) within the Middle Miocene epoch of the Neogene, used more specifically within the SALMA classification in South America. It follows the Friasian and precedes ...
in the
SALMA classification) geologic
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondary ...
of the
Borbón Basin in northwestern
Ecuador. The formation underlies the
Angostura Formation. Fossils of
Ziphiidae indet. have been found in the formation.
Las Penas
at Fossilworks
Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database
The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...
.org
See also
* List of fossiliferous stratigraphic units in Ecuador
References
{{reflist, 30em
Further reading
* G. Bianucci, W. Landini, G. Valleri, L. Ragaini, and A. Varola. 2005. First cetacean fossil records from Ecuador, collected from the Miocene of Esmeraldas Province. Rivista Italiana di Paleontologia e Stratigrafia 111(2):345-350
Geologic formations of Ecuador
Miocene Series of South America
Neogene Ecuador
Langhian
Colloncuran
Friasian
Siltstone formations
Shale formations
Paleontology in Ecuador
Formations