Drillia pyramidata
Encyclopedia
Drillia pyramidata is a species
of sea snail
, a marine gastropod mollusk in the family
Drilliidae
.
is chocolate, with a white band. The length of the shell is 25 mm.
of the Atlantic Ocean off West Africa (Senegal
, Angola
)
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
of sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
, a marine gastropod mollusk in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Drilliidae
Drilliidae
Drilliidae is a taxonomic family of small sea snails, marine gastropod mollusks in the superfamily Conoidea.This family has no subfamilies.-Description:...
.
Description
The shell is cerithiiform, strongly corded on the periphery, smooth above it, except a narrow granulated sutural band, below with oblique slight, ribs and revolving striae. The color of the shell is chocolate, the peripheral and sutural nodes whitish. The interior of the apertureAperture (mollusc)
The aperture is an opening in certain kinds of mollusc shells: it is the main opening of the shell, where part of the body of the animal emerges for locomotion, feeding, etc....
is chocolate, with a white band. The length of the shell is 25 mm.
Distribution
This species occurs in the demersal zoneDemersal zone
The demersal zone is the part of the sea or ocean comprising the water column that is near to the seabed and the benthos. The demersal zone is just above the benthic zone and forms a layer of the larger profundal zone....
of the Atlantic Ocean off West Africa (Senegal
Senegal
Senegal , officially the Republic of Senegal , is a country in western Africa. It owes its name to the Sénégal River that borders it to the east and north...
, Angola
Angola
Angola, officially the Republic of Angola , is a country in south-central Africa bordered by Namibia on the south, the Democratic Republic of the Congo on the north, and Zambia on the east; its west coast is on the Atlantic Ocean with Luanda as its capital city...
)