Structure and functioning of the gut in the Bullomorpha (Opisthobranchia)
- 1 August 1972
- journal article
- research article
- Published by Taylor & Francis in Journal of Natural History
- Vol. 6 (4), 459-474
- https://doi.org/10.1080/00222937200770421
Abstract
A study of the form and functioning of Philine angasi and Philine auriformis. Philine angasi feeds on the bivalve Chione stutchburyi by extrusion of the buccal bulb. The radula is degenerate and plays no part in the ingestion of food. Philine auriformis ingests Nucula hartvigiana, the buccal bulb acting as a suction pump. The buccal bulb is not eversible and the buccal mass carries the prey from the buccal cavity to the oesophagus. The feeding and form of these species are compared with that of Philine aperta. It is shown that the musculature of the buccal region is modified to suit the different feeding methods.Keywords
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