Vidya, R and Jasmin, F and Laxmilatha, P (2022) Taxonomy of Bivalves. In: ICAR-CMFRI -Winter School on Recent Development in Taxonomic Techniques of Marine Fishes for Conservation and Sustainable Fisheries Management. ICAR-Central Marine Fisheries Research Institute, Kochi, pp. 463-479.
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Recent development in taxonomic techniques of marine fishes for conservation and sustainable fisheries management_2022_Vidya R.pdf Download (919kB) |
Abstract
Most bivalves are marine and there are no terrestrial forms. Bivalve is the second most dominant class in the phylum Mollusca. Bivalves are characterized by a laterally compressed body with an external shell of two halves that is hinged dorsally. The bivalve hinge has sets of interlocking teeth that prevent valves from sliding along each other. The valves are united dorsally by elastic, a partially calcified or chitinous external or internal ligament and are held together by one or two adductor muscles. The head is rudimentary and have lost the buccal or radular apparatus. The mantle lobes are either connected or free ventrally. They are mostly ciliary feeders, with sieving and sorting mechanisms on labial palps and leaf-like ctenidium. The mantle cavity includes a pair of ctenidia suspended laterally. The mouth and anus are located at opposite ends of the body and the gut is typically convoluted. The foot is compressed and adopted for burrowing, except in sedentary forms where it is rudimentary.
| Item Type: | Book Section |
|---|---|
| Subjects: | Molluscan Fisheries > Bivalves Molluscan Fisheries Fish and Fisheries > Fish Taxonomy |
| Divisions: | CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division Subject Area > CMFRI-Kochi > Marine Capture > Molluscan Fisheries Division |
| Depositing User: | Arun Surendran |
| Date Deposited: | 16 Apr 2022 05:33 |
| Last Modified: | 16 Apr 2022 05:33 |
| URI: | http://eprints.cmfri.org.in/id/eprint/15902 |
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