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Nématodes abyssaux (campagne Walda du N/O Jean Charcot): VI. Le genre Acantholaimus: espèces nouvelles et étude de l'appareil reproducteur à spermatozoïdes géants
Gourbault, N.; Vincx, M. (1985). Nématodes abyssaux (campagne Walda du N/O Jean Charcot): VI. Le genre Acantholaimus: espèces nouvelles et étude de l'appareil reproducteur à spermatozoïdes géants. Bull. Mus. Natl. Hist. Nat., Sect. A Zool. Biol. Ecol. Anim. 4e série, tôme 7(3): 611-632
In: Bulletin du Muséum national d'histoire naturelle. Section A, Zoologie, biologie et écologie animales. Muséum national d'Histoire naturelle: Paris. ISSN 0181-0626
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Keyword
    Marine

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  • Gourbault, N.
  • Vincx, M., more

Abstract
    Three new species of the genus Acantholaimus are described from deep-sea South- East Atlantic oozes (Walvis ridge, depth from 2 063 to 4 308 m) : A. microdontus n. sp., A. macramphis n. sp., and A. longistriatus n. sp. Within the genus, the reproductive apparatus displays a noticeable uniformity coupled with a very unusual male reproductive system producing a small number of giant spermatozoa, of which only two were found in each inseminated female. Four additional species studied from the same sites display the same reproductive pattern : A. quintus, A. septimus, A. maks and A. iubilus ( G E R L A C H et al., 1979). The same phenomenon has also been found in a littoral species (at most four spermatozoa in the inseminated female).

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