Genus Chromaspirina Filipjev, 1918

Diagnosis (from Leduc & Verschelde, 2015): Robust body with rounded or rectangular head region and short conical tail; fine body annulations. Annulated or non-annulated head region; body annulations envelop the amphideal fovea partly, entirely, or only begin at posterior edge of amphids. Amphideal fovea uni-, crypto- or multispiral, or loop-shaped. Cephalic setae at anterior edge or further posteriorly alongside amphids. Distinct buccal cavity, conspicuously cuticularised; large dorsal tooth and smaller subventral teeth; ventral field of denticles may be present. Pharynx with round or oval posterior bulb, sometimes weakly developed, and without cuticularised lumen. Precloacal supplements may be present.

Type species Chromaspirina pontica Filipjev, 1918 .