Penion crawfordi is an extinct species of marine snail or whelk, belonging to the true whelk family Austrosiphonidae.

[2][1][3] Penion crawfordi is a large, extinct species of Penion siphon whelk.

[1][3] Shells of P. crawfordi have spine-like, dorso-ventrally compressed nodules on the shell spire.

[1] Fossils of Penion crawfordi are found in northern South Island and southern North Island in New Zealand.

[1][4]