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Lagoonal littorinids: Shell shape and speciation

Mill, PJ and Clarke, AP and Smith, DC and Grahame, J and Wilding, CS (2001) Lagoonal littorinids: Shell shape and speciation. JOURNAL OF SHELLFISH RESEARCH, 20 (1). pp. 469-475. ISSN 0730-8000

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Abstract

Variables related to shell shape have been measured in littorinids from brackish lagoons and coastal sites. After removal of size related effects, the data were analyzed using multivariate techniques. On Canonical Variate 1 there was good separation of the shells of the lagoonal animals from those of animals from the coast and a tidal lagoon. The former, for example, had lighter, and therefore thinner, shells for any given shell size and a smaller jugosity of the aperture lip. The lagoonal shells from Golam Head and the coastal animals from Robin Hood's Bay could each be separated clearly from the other samples. Although there are clear morphometric differences in the shells, it is not possible without appropriate breeding experiments to raise the lagoonal animals from L. saxatilis var. lagunae (L. tenebrosa) to species status. The importance of conserving lagoonal habitats is considered in terms of the preservation of biodiversity

Item Type: Article
Uncontrolled Keywords: 0608 Zoology
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QL Zoology
Divisions: Natural Sciences and Psychology
Publisher: National Shellfisheries Association
Related URLs:
Date Deposited: 20 Jan 2016 14:11
Last Modified: 20 Jan 2016 14:11
URI: http://researchonline.ljmu.ac.uk/id/eprint/2709

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