Hydatina is a genus of sea snails, bubble snails, marine opisthobranch gastropod mollusks in the family Aplustridae.

Hydatina
Live individual of Hydatina physis, head end towards the top of the image
Scientific classification
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Genus:
Hydatina

Species

See text

Species

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Species within this genus include:

  • Hydatina albocincta Van der Hoeven, 1839
  • Hydatina cinctoria Perry, 1811 (color variant and synonym of Hydatina zonata).
    • Distribution: South Africa
  • Hydatina exquisita Voskuil, 1995
    • Distribution: Marquesas Islands
    • Length: 21 mm
    • Description: very globose, thin shell with black and purplish spiral bands on body whorl and a narrow white band below the suture and at anterior end: anterior end of the columella is directed slightly to the right.
  • Hydatina montilai Delsaerdt, 1996
    • Distribution: Philippines.
  • Hydatina physis (Linnaeus, 1758)
  • Hydatina velum Gmelin, 1791 (probably color variant and synonym of Hydatina zonata)
    • Distribution: Indian Ocean, East Africa
    • Length: 25–50 mm
  • Hydatina vesicaria (Lightfoot, 1786) brown-lined paper bubble
    • Distribution: Florida, Mexico, Caribbean.
    • Length: 17–45 mm
    • Description: lives on the bottom at the depth of 8 m to 64 m; very fragile and delicate shell with fine brown spiral lines
  • Hydatina zonata Solander in Lightfoot, 1786 zoned paper bubble
synonyms
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References

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  • SEM images of the radula can be found at Thompson, T.E.; Bebbington, A. (1973). "Scanning electron microscope studies of gastropod radulae". Malacologia. 14: 147–165.
  • Sea Slug Forum info
  • Info on the genus