Comesomatidae Filipjev, 1918

Leduc, Daniel, 2025, New nematode species (Nematoda: Chromadorea) and records from the New Zealand continental shelf, European Journal of Taxonomy 981, pp. 213-238 : 228

Family Comesomatidae Filipjev, 1918

Diagnosis (from Fonseca & Bezerra 2014)

Cuticle striated and / or ornamented with dots in transverse rows,usually differentiated laterally, sometimes with weakly cuticularized body pores. Anterior sensilla usually in three crowns, two crowns may also occur. Amphidial fovea multispiral. Buccal cavity in two compartments with globular, cup-shaped or shallow anterior portion. Posterior portion of the buccal cavity either narrow, weakly cuticularized, collapsed tube or a dilated, cylindrical to conical portion with cuticularized walls and projections at the border between the two portions. Pharynx with three marginal tubes. Pharyngeal gland opening at the bottom of the buccal cavity. Excretory pore behind the nerve ring. Female reproductive system didelphic-amphidelphic with outstretched ovaries, spermatheca present. Male gonads diorchic with opposite and outstretched testes. Copulatory apparatus with weakly to strongly cuticularized spicules and gubernaculum; paired apophyses of variable position. Precloacal supplements usually tubular. Tail conico-cylindrical with tip slightly dilated, non-cuticularized, symmetrical and with three terminal setae.