Evidence for morphological and genetic divergence in Perinereis cultrifera (Polychaeta: Nereididae) from two habitat types at Elba Island

Differentiation between two samples of the polychaete Perinereis cultrifera collected in a brackish-water habitat and in an adjacent marine site at Elba Island (Italy) was assessed by morphological (number of paragnaths on the zones of the pharynx) and genetic (allozymes) approaches. Mean number of...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2001-06, Vol.81 (3), p.411-414
Main Authors: Maltagliati, Ferruccio, Camilli, Laura, Lardicci, Claudio, Castelli, Alberto
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Brackish
Cellulose acetate
Dehydrogenases
Enzymes
Fundamental and applied biological sciences. Psychology
Gene flow
Genetic drift
Genetics of eukaryotes. Biological and molecular evolution
Habitats
Heterogeneity
Invertebrata
Marine
Morphology
Nereididae
Perinereis cultrifera
Polychaeta
Population genetics, reproduction patterns
Research Article
Taxonomy
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Summary:Differentiation between two samples of the polychaete Perinereis cultrifera collected in a brackish-water habitat and in an adjacent marine site at Elba Island (Italy) was assessed by morphological (number of paragnaths on the zones of the pharynx) and genetic (allozymes) approaches. Mean number of paragnaths differed significantly in zones IIl, IIr, III and V by t-test (P
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315401004027