Provanna
Genus of gastropods / From Wikipedia, the free encyclopedia
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Provanna is a genus of sea snails, marine gastropod mollusks in the family Provannidae.[1]
Quick Facts Scientific classification, Type species ...
Provanna | |
---|---|
Provanna hirokoae | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Superfamily: | Abyssochrysoidea |
Family: | Provannidae |
Genus: | Provanna Dall, 1918 |
Type species | |
Trichotropis (Provanna) lomana Dall, 1918 | |
Synonyms[1] | |
Trichotropis (Provanna) Dall, 1918 (original rank) |
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The species was named after Dall's first wife.
This is a very old genus with species already existing in Cretaceous seep deposits off Japan (93 - 100 million years ago). The Caribbean and the Pacific fauna were isolated about 3 million years ago by the closure of the Central American Isthmus.