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Cavolinidae
The family Cavolinidae includes species with highly modified shells and broad, wing like epipodia. The fragile shells are only occasionally found intact in beach drift and sand samples but fragments may be common. At least 18 species in 7 genera (Cavolinia, Clio, Creseis, Cuvierina, Diacavolinia, Diacria and Styliola) have been found in Hawaiian waters.

In addition to the species listed below, Hyalocylis striata (Rang, 1828b) has been recorded from the North Pacific near Hawaii based on the range maps in  Pelagic Molluscs.
no photo
available

Cavolinia gibbosa

Cavolinia globulosa

Cavolinia inflexa

Cavolinia tridentata(PNH)





Cavolinia uncinata

Clio cuspidata

Clio pyramidata

Clio recurva(PNH)





Creseis acicula
no photo
available

Creseis virgula

Cuvierina columnella

Diacavolinia aff. longirostris





Diacavolinia pacifica

Diacria danae

Diacria major

Diacria schmidti




no photo
available

Diacria trispinosa

Styliola subula


 
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