Tantunema Siddiqi, 1982

Ahad, Sumaya & Ahmad, Wasim, 2016, Taxonomy of the genus Tantunema Siddiqi, 1982 (Dorylaimida: Tylencholaimidae) with description of one new and two known species, Journal of Natural History 50 (27), pp. 1669-1685 : 15-16

Genus Tantunema Siddiqi, 1982

Diagnosis

Tylencholaiminae . Very small nematodes, 0.3 – 0.6 mm long. Cuticle tylencholaimoid; outer cuticle smooth, inner layer barely with distinct radial refractive elements. Lip region cap-like, slightly offset, with amalgamated lips; weak post-labial sclerotization often present. Amphids small, their aperture pore-like or short transverse slit. Odontostyle short and thin. Odontophore rod-like with slight basal thickening. Anterior portion of the pharynx weakly muscular, extending gradually or abruptly into the basal expansion, which occupies about two-fifths of total neck length. Female genital system mono-opisthodelphic, anterior branch completely absent. Vulva transverse. Female tail rounded to subcylindrical. Male not known.

Type species

Tantunema bothriocephalum Siddiqi, 1982

Other species

T. aquaticum Ahmad and Jairajpuri, 1983

T. enigmatum Ahmad and Baniyamuddin, 2010

T. indicum sp. nov.

T. intermedium ( Peña-Santiago and Coomans, 1996) Andrássy, 2009 = Opisthotylencholaimus karnataki Dhanam and Jairajpuri, 1999

T. pakistanense ( Timm, 1964) comb. nov. = Tylencholaimus pakistanensis Timm, 1964

T. rossi ( Yeates, 1979) Peña-Santiago and Coomans, 1996 = Tylencholaimus rossi Yeates, 1979