''Cryoturris dianema'' is an extinct species of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a marine
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk in the
family Mangeliidae.
[Rosenberg, G. (2010). Cryoturris dianema Woodring, 1928. In: MolluscaBase (2017). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532691 on 12 April 2017]
Description
The length of the shell attains 6.9 mm, its diameter 2.2 mm.
Distribution
This extinct marine species occurs in
Pliocene strata of the
Bowden Formation
The Bowden Formation is a geologic formation in Jamaica. It preserves fossils dating back to the Neogene period.
See also
* List of fossiliferous stratigraphic units in Jamaica
The Paleobiology Database lists no known fossiliferous stratigrap ...
, Jamaica; age range: 3.6 to 2.588 Ma. It was also found on the nordeastern continental platform of
Brazil.
da Silva, Gutembergue Francisco, and José Carlos Nascimento de Barros. "SISTEMÁTICA DOS TURRIDAE SWAINSON, 1840 (MOLLUSCA, GASTROPODA) COLIGIDOS DA PLATAFORMA CONTINENTAL DO NORDESTE DO BRASIL."
/ref>
References
* W. P. Woodring. 1928. ''Miocene Molluscs from Bowden, Jamaica. Part 2: Gastropods and discussion of results .'' Contributions to the Geology and Palaeontology of the West Indies
* A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions.
External links
Fossilworks: ''Kurtziella (Cryoturris) dianema''
{{DEFAULTSORT:Cryoturris Dianema
dianema
''Dianema'' is a small genus of freshwater catfish in the Callichthyinae subfamily of the armored catfish family. The type species for this genus is ''Dianema longibarbis''. The name is derived from the Greek ''di'', meaning "two", and ''nema' ...