| Perotrochus amabilis|
Perotrochus deforgesi is a species of large sea snail, a marine gastropod mollusk in the family Pleurotomariidae, the slit snails.
Perotrochus deforgesi Wikipedia
The length of the shell varies between 20 mm and 40 mm.
This species occurs on the continental slope at depths between 350 m and 580 m in the Coral Sea.