Subfamily Crenopharynginae Platonova, 1976

1 (4) Precloacal supplement absent.

2 (3) Pharyngeal capsule with long outgrowths filled with pharyngeal muscle tissue (Type III). Spicules long, more than 2 a.b.d...

.............................................................................. Crenopharynx Filipjev, 1934 3 (2) Pharyngeal capsule without long outgrowths filled with muscle tissue (Type I). Spicules less or equal 2 a.b.d..............

.......................................................................... Phanodermopsis Ditlevsen, 1926 4 (1) Tubular precloacal supplement present.

5(10) Cephalic capsule weakly developed, pharyngeal capsule cap-shaped (Type II).

6 (7) Head set-off by a constriction...................................................... Micoletzkyia Ditlevsen, 1926

7(6) Head not set-off by a constriction.

8 (9) Spicules long (more than 2 a.b.d.)........................................................ Klugea Filipjev, 1927

9 (8) Spicules short (less or equal 2 a.b.d.) with bluntly capitate posterior end.......................... Dayellus Inglis, 1964

10 (5) Other type of pharyngo-cephalic complex

11 (12) Pharyngeal capsule with small outgrowths (Type II).................................... Phanodermella Kreis, 1928

12 (11) Pharyngeal capsule with thin and sclerotized outgrowths. Walls of the cephalic capsule thicken and there are grooves at the base of head setae (Type IV)...................................................... Paraphanoderma Inglis, 1971