Cymatosyrinx carpenteri is a species

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 scarcely shouldered, with about twelve short flexuous longitudinal ribs and no spiral sculpture

Sculpture (mollusc)

The sculpture of a mollusc shell is the three-dimensional ornamentation on the outer surface, as distinct from the basic shape of the shell itself or colouration. Sculpture may be concave as well as convex. Sometimes it has microscopic detail. Sculpture refers to the calcareous outer layer, not the...

. The shell is white or pale yellow, often with darker brownish yellow ribs. The shell grows to a length of 7 mm.

Distribution

This species occurs in the demersal zone

Demersal 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 tropical Western Atlantic Ocean.