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Record: oai:ARNO:505582

AuthorJ.H. Stock
TitleEssais d’hybridisation entre Gammarus aequicauda (Martynov, 1931) et Gammarus plumicornis Costa, 1853
JournalBulletin Zoologisch Museum
Volume1
Year1969
Issue12
Pages153-156
ISSN0165-9464
AbstractTwo morphologically and ecologically different forms within the genus Gammarus, known as G. plumicornis Costa, 1853 and G. aequicauda (Martynov, 1931), are interfertile in experiments and produce a vital F1. In nature, however, heterogeneous couples are rare, although not altogether absent.
It is supposed that plumicornis and aequicauda are two former subspecies, which – owing to an overlap in their present distribution areas – have not developed sufficient isolating mechanisms to prevent hybridization.
Document typearticle
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