Amphimonhystrella Timm, 1961

Zhai, Hongxiu, Geng, Chunxiao & Sun, Jun, 2022, Two new species of Xyalidae (Nematoda: Monhysterida) from intertidal zone of the Bohai Sea, China, Zootaxa 5222 (2), pp. 133-144 : 139

Genus Amphimonhystrella Timm, 1961

Body shorter than 1 mm. Cuticle striated or smooth under a light microscope. Inner labial sensilla papillae; outer labial and cephalic sensilla setae setiform with the outer labial longer than the cephalic setae. Buccal cavity elongated funnel, narrowing toward bottom, strongly cuticularized. Amphidial fovea circular or oval, slightly elongated in the longitudinal direction. Pharynx expanding slightly towards its base. Cardia relatively long and oval. One anterior ovary outstretched, left to intestine with a long postvulvasac. The posterior uterus present. Spicules relatively short, curved ventrally. Gubernaculum present or absent. Tail consists of a proximal conical and distal cylindrical parts with two terminal setae ( Tchesunov & Miljutina, 2005; Fonseca & Bezerra, 2014; Gagarin & Tu, 2021).

Species list

Amphimonhystrella megastoma Timm, 1961

Amphimonhystrella bullacauda Tchesunov & Miljutina, 2005

Amphimonhystrella major Gagarin & Nguyen Dinh Tu, 2021

Amphimonhystrella parva Gagarin & Thanh, 2009

Amphimonhystrella unita Lorenzen, 1977