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Molecular phylogeny and population structure of tideland snails in the genus Cerithidea around Japan
Kojima, S.; Kamimura, S.; Iijima, A.; Kimura, T.; Kurozumi, T.; Furota, T. (2006). Molecular phylogeny and population structure of tideland snails in the genus Cerithidea around Japan. Mar. Biol. (Berl.) 149(3): 525-535. http://dx.doi.org/10.1007/s00227-005-0183-2
In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793
Peer reviewed article  
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  • Kojima, S.
  • Kamimura, S.
  • Iijima, A.
  • Kimura, T.
  • Kurozumi, T.
  • Furota, T.
Abstract
    Phylogenetic relationships and genetic population structures were analyzed for tideland gastropods in the genus Cerithidea around Japan on the basis of partial sequence of the mitochondrial COI gene. Large genetic divergence was shown between individuals of Cerithidea cingulata in the southern Ryukyus and those in the central Ryukyus and the Japanese Islands. Haplotypes of C. cingulata from the Japanese Islands were paraphyletic with the exclusion of a monophyletic group from the central Ryukyus. Genetic differentiation of C. cingulata was also detected between Amami-Oshima Island and Okinawajima Island. No genetic divergence was found between Cerithidea rhizophorarum in the Japanese Islands and its subspecies C. rhizophorarum morchii in the Ryukyu Islands. The lack of genetic divergence of Cerithidea largillierti between continental China and Japan suggests relatively recent migration between the Japanese Islands and the Asian continent. For all three Cerithidea species distributed in both the Japanese Islands and the Ryukyu Islands, the Tokara Gap and the Kerama Gap were shown to have acted as barriers to the dispersal.
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