''Paramontana exilis'' 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 Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". ''Malacologia'' 47(1-2). . 39 ...
.
[MolluscaBase (2019). MolluscaBase. Paramontana exilis (Pease, 1860). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=434580 on 2019-08-06]
Description
The length of the shell attains 5.5 mm.
The whorls are nearly plane and longitudinally plicately ribbed. The ribs are small and close, descending from the sutures. The
aperture is very short. 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 and open. The shell is reddish chestnut, the ribs whitish, with a dark band below the middle of the
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 ...
.
G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
Distribution
This marine species occurs in the Indo-west Pacific, Hawaii, Coral Sea
The Coral Sea () is a marginal sea of the South Pacific off the northeast coast of Australia, and classified as an interim Australian bioregion. The Coral Sea extends down the Australian northeast coast. Most of it is protected by the Fre ...
, Australia ( Queensland, Western Australia)
References
* Pease, W.H. 1867. ''Description of marine gasteropodae inhabiting Polynesia.'' American Journal of Conchology 3(3): 211–222 pl. 15
* Kilburn, R.N. 1988. ''Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 4 Drilliinae, Crassispirinae and Strictispirinae.'' Annals of the Natal Museum 29(1): 167-320
* Garrett, A. 1873. Descriptions of new species of marine shells inhabiting the South Sea Islands. Proceedings of the Academy of Natural Sciences, Philadelphia 1873: 209–231, pls 2-3
External links
*
{{DEFAULTSORT:Paramontana Exilis
exilis
Gastropods described in 1860