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 Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: 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.

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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