''Iotyrris cerithiformis'' 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
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 Turridae
Turridae is a taxonomic family name for a number of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea. MolluscaBase (2018). Turridae H. Adams & A. Adams, 1853 (1838). Accessed through: World Register of Marine Specie ...
, the turrids.
Description
The length of the shell attains 35 mm, its diameter 12 mm.
(Original description by Pease) The fusiform, turreted shell is keeled all over. The keels are nearly of the same size, and almost equidistant. The keel on the middle of the
whorls is slightly the largest. The intermediate superfices are concave. The interstices between the keels are finely striate longitudinally. The sinus is deep. The
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ...
is short. The color of the shell is white, the keels are spotted with reddish brown.
The above species may be distinguished by the regularity of its keels. The spots are small, oblong, and confined to the edge of the keels.
Pease W. H. (1869). ''Description of new species of marine Gasteropodæ inhabiting Polynesia.'' American Journal of Conchology. 5: 64–79
/ref>
Distribution
This marine species occurs off the Hawaii Islands at a depth of 11 m to 15 m.
References
* Olivera, B.M., 2002. ''The gastropod genus Xenuroturris (Iredale, 1929) evaluated and a new turrid Lophiotoma olangoensis described from the Central Philippines''. Science Diliman 14(2):39-49
External links
*
{{DEFAULTSORT:Iotyrris Cerithiformis
cerithiformis
Gastropods described in 1869