Drillia umbilicata
Species of gastropod
From Wikipedia, the free encyclopedia
Drillia umbilicata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.[2]
| Drillia umbilicata | |
|---|---|
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| Drawing of a shell of Drillia umbilicata (holotype at MNHN, Paris) | |
Scientific classification  | |
| 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] | |
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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.