Diaphanoidea
Diaphanoidea is a taxonomic superfamily of small sea snails, marine opisthobranch gastropod mollusks or micromollusks in the Cephalaspidea, the headshield slugs and bubble snails.
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| Superfamily: | Diaphanoidea |
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Species in this superfamily have small, flimsy, almost globular shells, known as paper bubble gastropod shells.
This superfamily is not monophyletic.[1]
Distribution
Species in this superfamily are found in cold seas, such as the Arctic region, Antarctica, Australia, and New Zealand.
Habitat
The species occur in the sublitoral to abyssal zones.
Shell description
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
Families in the superfamily Diaphanoidea include:
- Colinatydidae Oskars, Bouchet, and Malaquias, 2015
- Cylichnidae H. Adams & A. Adams, 1854
- Diaphanidae Odhner, 1922
- Mnestiidae Oskars, Bouchet, and Malaquias, 2015
- Notodiaphanidae Thiele, 1931 (taxon inquirendum)
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