Drillia umbilicata

Drillia umbilicata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.[2]

Drillia umbilicata
Drawing of a shell of Drillia umbilicata (holotype at MNHN, Paris)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Clade: Neogastropoda
Superfamily: Conoidea
Family: Drilliidae
Genus: Drillia
Species:
D. umbilicata
Binomial name
Drillia umbilicata
Gray, 1838 [1]
Synonyms[2]
  • Clavus dunkeri Weinkauff, H.C. & W. Kobelt, 1875
  • Clavus (Drillia) dunkeri Wenz, 1943
  • Crassispira dunkeri von Maltzan, 1883
  • Crassispira saulcydiana (C.A. Récluz, 1851)
  • Drillia saulcydianum (Récluz, C., 1851)
  • Drillia (Brachystoma) dunkeri Tryon, 1884
  • Pleurotoma saulcydianum Récluz, 1851
  • Pleurotoma umbilicata Reeve, 1843

Description

The shell grows to a length of 32 mm. The shell is light yellowish brown or yellowish white. It shows prominent, distant ribs, forming a strongly tuberculate shoulder, and revolving striae. The anal sinus is produced upwards. The inner lip is thickened below, forming with the axis a false umbilicus.[3]

Distribution

This species occurs in the demersal zone of the Atlantic Ocean off Sierra Leone and from Gabon to Angola.

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References
  1. Gray, J.E. (1838) On some new species of quadrupeds and shells. Annals and Magazine of Natural History, series 1, 1, 27–30.
  2. Drillia umbilicata Gray, 1838. Retrieved through: World Register of Marine Species on 19 October 2011.
  3. G.W. Tryon, Manual of Conchology vol. VI p. 179; 1884
  • "Drillia umbilicata". Gastropods.com. Retrieved 16 January 2019.
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