Provannidae Temporal range:
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Two preserved individuals of Alviniconcha hessleri | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Superfamily: | Abyssochrysoidea |
Family: | Provannidae Warén & Ponder, 1991 [2] |
Type genus | |
Provanna Dall, 1918 | |
Synonyms[3] | |
Pseudonininae Bertolaso & Palazzi, 1994 |
Provannidae is a family of deep water sea snails, marine gastropod mollusks in the superfmaily Abyssochrysoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 and updated in 2008 by Kaim et al.).[3]
The genera Provanna and Desbruyeresia have smaller and slender shells, while the shells of Alviniconcha and Ifremeria are larger and swollen. The shells of these two last genera house a hypertrophied ctenidium large quantities of symbiotic bacteria.
Kaim 2008
was invoked but never defined (see the help page).