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Revision of Comesomatidae (Nematoda)
Jensen, P. (1979). Revision of Comesomatidae (Nematoda). Zoologica Scri. 8(1-4): 81-105
In: Zoologica Scripta. Blackwell: Stockholm. ISSN 0300-3256, more
Peer reviewed article  

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Keywords
    Comesomatidae Filipjev, 1918 [WoRMS]; Nematoda [WoRMS]; Marine

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  • Jensen, P.

Abstract
    The gross and fine morphology of the family Comesomatidae is reviewed and the systematic position of its members revised. Significant differentiating characters of the Comesomatidae within the Chromadorida are: a copulatory apparatus provided with apophyses, a female reproductive system with outstretched ovaries, the presence of marginal tubes within the oesophagus, and a non-sclerotized and enlarged tail tip. For classification within the family the following three main characters are used: the structure of the buccal cavity, the structure of the copulatory apparatus, and the arrangement of the cephalic sense organs. Structure of the Sabatieria type is considered basic. The genera are rearranged in three subfamilies as follows: Sabatieriinae (Cervonema, Laimelia, Pierrickia, Sabatieria (syn. Actarjania), Scholpaniella), Dorylaimopsinae (Dorylaimopsis (syn. Mesonchium), Hopperia, Metasabatieria, Paramesonchium, Vasostoma), Comesomatinae (Comesoma, Metacomesoma, Paracomesoma.) Six species of Comesomatidae are described from the Øresund, Denmark: Cervonema macramphis sp.n.; Laimelia filipjevi nom. nov. (syn. Sabatieria longicaudata Filipjev, 1922); Sabatieria hilarula De Man, 1922; S. ornata (Ditlevsen, 1918); S. punctata (Kreis, 1924); Dorylaimopsis punctata Ditlevsen, 1918. Representatives of these species constitute more than 40% of the total number of nematodes in the region.

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