The Molluscan Families Speightiidae and Turridae.

A.W.B. Powell.

An evaluation of the valid taxa, both recent and fossil, with lists of characteristic species. 23 black and white photographic plates. Bulletin of the Auckland Institute and Museum, No. 5.

Auckland Institute and Museum, 1966.

Softback. 184 pages of text.

SECONDHAND. Fine condition.