Enchodelus (Paraenchodelus), AHMAD & JAIRAJPURI, 1980, AHMAD & JAIRAJPURI, 1980

MAQSOOD AHMAD & M. SHAMIM JAIRAJPURI, 1980, A REVIEW OF THE GENUS ENCHODELUS THORNE, 1939 WITH DESCRIPTIONS - OF SPECIES FROM INDIA, Records of the Zoological Survey of India 15, pp. 1-42 : 14-16

SUBGENUS PARAENCHODELUS NOV.

Diagnosis: EnchodeIus. Body length 1.2-2.8 mm. Lip region slightly or distinctly set off by a depression. Odontophore rod-like, basal flanges absent or very poorly developed. Males with 4-9 ventromedian supplements regularly or irregularly spaced, the series beginning well above the spicular range. Tail in both sexes similar, shortconoid or elongate-conoid, straight or ventrally arcuate.

Type species: Enchodelus (Paraenchodelus) constrictus Jairajpuri & Loof, 1968

Other species:

E. (P.) arcuatus Thorne, 1939

E. (P.) brevidentatus Thorne, 1939

E. (P.) conicaudatus (Ditlevsen, 1927) Thorne, 1939

E. (P.) faeroensis (Ditlevsen, 1928) Thorne, 1939

E. (P.) irregularis Altherr, 1972

E. (P) longidens Jairajpuri & Loof, 1968

E. (P.) rhaeticus Altherr, 1952 *

E. (P.) satendri Baqri & Jairajpuri, 1968

E. (P.) striatus Thorne, 1939

E. (P.), thorne i Baqri & Jairajpuri, 1974

E. (P.) vestibulifer Altherr, 1952

E. (P.) zonatus Jairajpuri & Loof, 1968

KEY TO SPECIES OF PARAENCHODELUS N. SUBG.

1. Tail straight. conoid 2 Tail arcuate. conold 3

2. Odontostyle 34 I'm or 2 head-widths long zonatus Odontostyle 18 I'm or 1.5 head-widths long conicaudat us

3, Odontostyle about one head-width long bre viden tat us Odo!ltostyle over 1.4 head-widths long 4

4. Body cuticle with coarse striations striatus Body cuticle without coarse striations 5

5. Body length 2.8 rom; tail digitate f aeroensis Body length under 2.6 rom; tail not digitate 6

6. Odontostyle over 40 I'm or more than- 3 head-widths long l ongidens Odontostyle less than 40 I'm or less than 3 head-widths long 7

7.. Odontostyle over t. 5 head-widths long ... 8 Odontostyle 1.5 or less head-widths long ... 10

8. Odontophore rod-like 9

- gdontophore with poorly developed basal anges satendri uau5vo

9. Body length 1.2- 1.4 mm; vulva postequatorial (V = 51 -55) constrictus

-— Body length 1.6-2.0 mm; vulva preequatorial (V = 39-4l) rhaeticus

10. Odontophore rod-like ll - Odontophore with poorly developed basal flanges thronei

11. Tail with saccate bodies vestibulifer -- Tail without saccate bodies 12

12. Vulva pre-equatorial (V = 41 -44) irregularis -- Vulva post-equatorial (V = 53) arcuatus