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Alviniconcha hessleri.jpg
Two preserved specimens of Alviniconcha hessleri, family Provannidae
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda (unassigned)
Superfamily: Abyssochrysoidea
Tomlin, 1927

Abyssochrysoidea is a superfamily of deep-water sea snails, marine gastropod mollusks in the clade Caenogastropoda.

These marine snails are part of the fauna of the hydrothermal vents and other deep-water habitats.


Families within the superfamily Abyssochryoidea include:

These two families Provaniidae and Abyssochrysidae were previously placed in the "Zygopleuroid group" (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Subsequently Provannidae was placed in the superfamily Abyssochrysoidea by Kaim et al. (2008)[1] and then Abyssochrysidae was also moved to Abyssochrysoidea.[2]


  1. ^ Kaim A., Jenkins R. G. & Warén A. (2008). "Provannid and provannid−like gastropods from Late Cretaceous cold seeps of Hokkaido (Japan) and the fossil record of the Provannidae (Gastropoda: Abyssochrysoidea)". Zoological Journal of the Linnean Society 154(3): 421-436. doi:10.1111/j.1096-3642.2008.00431.x.
  2. ^ WoRMS (2009). Abyssochrysidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=345309 on 2010-05-04