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Diaphanoidea

From Wikipedia, the free encyclopedia

Diaphanoidea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Cephalaspidea
Superfamily: Diaphanoidea
Families

See text.

Diaphanoidea is a taxonomic superfamily of small sea snails, marine opisthobranch gastropod mollusks or micromollusks in the Cephalaspidea, the headshield slugs and bubble snails.

Species in this superfamily have small, flimsy, almost globular shells, known as paper bubble gastropod shells.

This superfamily is not monophyletic.[1]

Distribution

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Species in this superfamily are found in cold seas, such as the Arctic region, Antarctica, Australia, and New Zealand.

Habitat

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The species occur in the sublittoral to abyssal zones.

Shell description

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The shell is minute, thin, fragile, colorless to translucent, and usually less than 5 mm in size. The overall shape is ovate, pear-shaped, and bulbous. There is a sunken apex.

Families

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Families in the superfamily Diaphanoidea include:

References

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