Perrona spirata

Perrona spirata is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.^[1][2]

Perrona spirata
Apertural view of a shell of Perrona spirata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Clavatulidae
Genus:	Perrona
Species:	P. spirata
Binomial name
Perrona spirata (Lamarck, 1816)
Synonyms[1]
Clavatula spirata (Lamarck, 1816) Pleurotoma spirata Lamarck, 1816

Description

The size of an adult shell varies between 20 and 30 millimetres (0.79 and 1.18 in). The whorls are constricted around the upper part, with a rather sharp ridge next to the suture, and an obtuse angle below the constriction. The color of the shell is yellowish, mottled and striped with chestnut.^[3]