Penion crawfordi

Penion crawfordi is an extinct species of marine snail or whelk, belonging to the true whelk family Buccinidae.
Description.
"Penion crawfordi" is a large, extinct species of "Penion" siphon whelk. Shells of "P. crawfordi" have spine-like, dorso-ventrally compressed nodules on the shell spire.
Distribution.
Fossils of "Penion crawfordi" are found in northern South Island and southern North Island in New Zealand.