Trigonostoma elegantulum
Trigonostoma elegantulum is a species of sea snail, a marine gastropod mollusc in the family Cancellariidae, the nutmeg snails. Description
This species attains a size of 15 mm. Distribution
Dredged at 20-30 m. offshore Veraguas Province, West Panama

References

 Hemmen J. (2007). Recent Cancellariidae. Wiesbaden, 428pp. Cancellariidae
Gastropods described in 1947