''Pseudodaphnella gealei'' 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). . 3 ...

. Smith E.A. (1882). Diagnoses of new species of Pleurotomidae in the British Museum. Annals and Magazine of Natural History. ser. 5, 10: 296-306
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Description

The length of the shell attains 14 mm, its diameter 5⅓ mm. The ovately turreted shell is white with yellowish brown ribs (of which one is white). 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 ...

is encircled by a white line. The back of the outer lip shows a brown spot. The granules on the cauda are large and are alternately white and pale brown. The shell contains probably 10

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 (the apex is broken off). The remaining whorls of the

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called ...

are spirally striated. The next whorls are somewhat convex below. The adult shell is netted over by 8 elevate spirals (17 in the body whorl) and radials enclosing deep oblong meshes. The shell shows almost 11 straight ribs (continuing to the base of the shell in the body whorl). The aperture measures 2/5 of the total length. The columella is slightly callous on its top and has a flattened form. The outer lip is incrassate at the last rib and has inwardly 10 lirate teeth. The sinus close to the suture is slightly emarginate. The short

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 narrow and truncate.

References

External links

* {{DEFAULTSORT:Pseudodaphnella Gealei gealei Gastropods described in 1882