Sinum concavum
Sinum concavum, common name the concave ear moon snail, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Sinum concavum, common name the concave ear moon snail, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.