Angaria sphaerula

Angaria sphaerula,^[1] common name Kiener's delphinula, is a species of sea snail, a marine gastropod mollusc of the family Angariidae.

Angaria sphaerula
Shell of Angaria sphaerula (Kiener, 1838) with operculum measuring 24.1 mm in height by 34.4 mm diameter, taken by tangle nets off Balut Cotabato, in the Philippines.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Angariidae
Genus:	Angaria
Species:	A. sphaerula
Binomial name
Angaria sphaerula (Kiener, 1838)
Synonyms
Delphinula sphaerula Kiener, 1838

Apical view of the Shell of Angaria sphaerula (Kiener, 1838) with operculum measuring 24.1 mm in height by 34.4 mm diameter, taken by tangle nets off Balut Cotabato, in the Philippines.

Apical view of another specimen of Angaria sphaerula showing color variation within the species.

Description

The shell ranges in length from 30 to 100 mm.^[2]

Like other species of Angaria, A. sphaerula is highly ornamented, with the shape of its ornaments varying from spikes to fronds. The ornaments are often quite large. This species tends to be a mix of light green and pinkish-red in color. The interior of the shell is pearlescent.

Distribution

This species can be found in the Philippines and parts of the western Pacific Ocean.^[1][2]