Drillia janseni

Drillia janseni is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

Drillia janseni
Original image of a shell of Drillia janseni with close-ups of the protoconch, a whorl and the body whorl.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Drilliidae
Genus:	Drillia
Species:	D. janseni
Binomial name
Drillia janseni Strebel, H., 1905

Description

The length of the shell attains 15 mm, its diameter 5.8 mm.

The rather solid shell has a turriform shape. it is white, covered with a dirty yellowish, slightly fibrous cuticle. It contains 8½ whorls separated by a narrow suture. The two whorls of the protoconch are blunt, smooth and shining. The next whorls are gradually increasing in size. The oblique, acute, longitudinal ribs form nodules when crossed by spiral irae. The narrow oval aperture tapers anteriorly into a point and posteriorly gradually turning into a narrow, recurved and rather long siphonal canal

Distribution

This marine species occurs off Chile and Argentina.

References

• Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295

External links

• "Drillia janseni". Gastropods.com. Retrieved 16 January 2019.