Tentacle retraction in Tracheopulmonata /
Burch, John Bayard
Tentacle retraction in Tracheopulmonata / by J.B. Burch - Reprinted from the Journal of the Malacological Society of Australia ; 11: 62-67. .
Tentacle retraction in Tracheopulmonata / by J.B. Burch - Reprinted from the Journal of the Malacological Society of Australia ; 11: 62-67. .