Genus Bastiania
de Man, 1876
Definition: Bastianiidae. Long, lithe, slender nematodes.
Cuticle transversely striated, sometimes with numerous, short bristles
irregularly scattered over the body. No lateral fields. Amphids
spiral, placed some distance behind head end. Head not offset, without
lips but with minute papillae and with 6, 8 or 10 setae. Stoma apparently
absent or very narrow. Oesophagus very long and but slightly swollen
posteriorly, without a distinct bulb. Gland cells present between
oesophagus and intestine, more or less spherical. Vulva post-equatorial;
gonads paired, opposed and outstretched. Spicules paired, slightly
ventrally arcuate, tips pointed. Gubernaculum absent. Numerous
pre-anal, setose, papilloid, ventral supplements present. Tails long
and gradually tapering, containing gland cells and ending in a pointed
terminal duct.
Type species: Bastiania gracilis de Man, 1876
Other species:
B. australis Cobb, 1893
B. exilis Cobb, 1914
B. longicaudata de Man, 1880
B. parexilis de Coninck, 1935
(Description- Goodey, 1963)