genus
Oliva
Oliva
Field notes
Oliva is a genus of medium-sized to large sea snails, marine gastropod mollusks in the subfamily Olivinae of the family Olividae, the olive snails or olive shells. Many former species of Oliva have been reclassified under genus Americoliva.
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided