Offadesma angasi
Offadesma angasi est genus marinorum molluscorum bivalvium familae Periplomatidarum.

Bibliographia
 Powell, A. W. B. 1979. New Zealand Mollusca. Aucopole: William Collins Publishers Ltd. ISBN 0-00-216906-1.
 Pownall, Glen. 1979. New Zealand Shells and Shellfish. Wellingtoniae: Seven Seas Publishing Pty Ltd. ISBN 0854670548.

Bivalvia Australiae
Bivalvia Novae Zelandiae
Periplomatidae
Taxa Iredale
Taxa 1930