Julia thecaphora explained

Julia thecaphora is a species of a sea snail with a shell comprising two separate hinged pieces or valves. It is a marine gastropod mollusk in the family Juliidae.

Distribution

The type locality for this species is probably Mazatlán, Mexico.^[1]

Notes and References

1. Jensen K. R. (November 2007). "Biogeography of the Sacoglossa (Mollusca, Opisthobranchia)" . Bonner zoologische Beiträge 55(2006)(3-4): 255–281.