''Granigyra spinulosa'' is a 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 Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

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

superfamily SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...

Seguenzioidea.Rosenberg, G. (2012). ''Granigyra spinulosa'' Bush, 1897. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532885 on 26 March 2013

Description

The shell grows to a height of 2.5 mm. The shell has a delicate yellow color with coarse and very conspicuous granulation of the surface. When seen in profile, they appear like little spines. It has about three well-rounded, rather loosely coiled

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s, forming an elevated spire with relatively large, prominent nuclear whorl and a very large

body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the b ...

. The well-marked suture is rather deep. The deep umbilicus is relatively large and has rounded walls. The peritreme of the aperture is slightly attached at the suture.Bush, K. J. 1897. Revision of the marine gastropods referred to Cyclostrema, Adeorbis, Vitrinella, and related genera; with descriptions of some new genera and species belonging to the Atlantic fauna of America. Transactions of the Connecticut Academy of Arts and Sciences 10: 97-144, pls. 22-23.
/ref>

Distribution

This species occurs in the Atlantic Ocean off the Bahamas, found at a depth of over 600 m.

References

External links

Biodiversity Heritage Library (5 publications)

Encyclopedia of Life

World Register of Marine Species
{{Taxonbar, from=Q5595810 spinulosa Gastropods described in 1897