Two new species of Morlaixia gen. n. (Nematoda, Diplopeltidae) with a subterminal ventral mouth
Magda Vincx, N. Gourbault
Abstract
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Magda Vincx, N. Gourbault
Abstract
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A new genus of the Diplopeltidae, Morlaixia gen, n., is described; species are characterized by an asymmetrical anterior end, which is caused by the subventral position of the mouth opening and the buccal cavity; that feature is unique for the group.Two new species, M. contusa sp.n. and M. obscura sp.n., are described from fine sands and silty sediments in the Bay of Morlaix.Résumé.-Création d'un genre nouveau de Diplopeltidae, Morlaixia gen.n., nématode remarqua¬ ble par l'asymétrie de son extrémité antérieure, liée à la position subventrale de la bouche et de la cavité buccale, phénomène unique pour ce groupe.Description de M. contusa sp.n. et M. obscura sp.n., présents dans les sables fins et vaseux du chenal de la baie de Morlaix.
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A new genus of the Diplopeltidae, Morlaixia gen, n., is described; species are characterized by an asymmetrical anterior end, which is caused by the subventral position of the mouth opening and the buccal cavity; that feature is unique for the group.Two new species, M. contusa sp.n. and M. obscura sp.n., are described from fine sands and silty sediments in the Bay of Morlaix.Résumé.-Création d'un genre nouveau de Diplopeltidae, Morlaixia gen.n., nématode remarqua¬ ble par l'asymétrie de son extrémité antérieure, liée à la position subventrale de la bouche et de la cavité buccale, phénomène unique pour ce groupe.Description de M. contusa sp.n. et M. obscura sp.n., présents dans les sables fins et vaseux du chenal de la baie de Morlaix.
Key concepts: Biology, Zoology