Provanna [SEP] parent taxon
Provanna
Provanna is a genus of sea snails, marine gastropod mollusks in the family Provannidae.
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.
Description.
The apical whorls of the protoconch are lacking through decollation. The opening is then sealed with a calcareous
Provanna alexi"
- † "Provanna antiqua"
- "Provanna buccinoides"
- "Provanna chevalieri"
- "Provanna clathrata"
- "Provanna glabra"
- "Provanna goniata"
- † "Provanna hirokoae"
- "Provanna ios"
- "Provanna kuroshimensis"
- "Provanna laevis"
- "Provanna lomana"
- "Provanna lucida"
- "Provanna macleani"
- † "Provanna marshalli"
- "Provanna muricata"
- † "