Molluscan ResearchISSN 1323-5818 | ||
An
international journal of the Malacological
Society of Australasia and the Society for the Study of Molluscan Diversity published by Magnolia Press |
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Molluscan Research 30(2):
73-80; published 30 Jul. 2010 Copyright © The Malacological Society of Australasia & the Society for the Study of Molluscan Diversity Differentiation according to body region and interspecific variation in the morphology of integumentary spicules of nudibranchs CHING-HUNG CHANG1, HIN-KIU MOK1,2, LI-GIN HUANG1,2 & YEN-WEI CHANG1,2,* 1 Institute of Marine Biology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan. 2 Kuroshio Research Group, Asia-Pacific Ocean Research Center, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.* Corresponding author: Email: bard8088@msn.comAbstract Based on an examination of 41 dorid nudibranch species (Gastropoda: Opisthobranchia: Anthobranchia: Doridina) we report the existence of intra-individual variation in the distribution of different spicule types in various parts of the integument of nudibranchs. Interspecific variation in spicule morphology is also described and compared. Twelve species of the family Phyllidiidae were examined and all possessed spicules. Phyllidiid spicules showed considerable morphological diversity, and particular spicule types were localised in specific parts of the body, in contrast to all the other families. Of the 19 species of the Chromodorididae examined, only Cadlinella ornatissima (Risbec, 1928) contained spicules. Of the remaining species from other families, only the discodorids Halgerda rubicunda Baba, 1949 and Platydoris formosa (Alder & Hancock, 1864), the dorid Aldisa albatrossae Elwood et. al., 2000, and the hexabranchid Hexabranchus sanguineus (Rüppell & Leuckart, 1830) possessed spicules. Key words: diactines, triactines, tetractines, scanning electron microscope, Nudibranchia, Doridina, PhyllidiidaeFull article (PDF; 540 KB) Order PDF |
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Copyright © 2005-2010 Magnolia Press | Published : 30 Jul. 2010 |