Table 1 Morphometrics of Belondira khorramshahii sp. n. from Iran. All measurements are in μm, except for L in mm, and in the form: mean ± s.d. (range) 
Character	Female		Male	
	Holotype	Paratypes	Paratypes	
n		6	3	
L	1.23	1.27 ± 0.06 (1.23-1.36)	1.09 ± 0.05 (1.04-1.14)	
a	45	45.5 ± 2.1 (43.0-48.0)	46.1 ± 2.5 (44.0-49.0)	
b	5.1	5.0 ± 0.2 (4.8-5.4)	4.7 ± 0.1 (4.7-4.8)	
c	39	40.5 ± 3.8 (38.0-46.0)	36.3 ± 2.1 (33.0-39.0)	
c′	1.4	1.3 ± 0.1 (1.2-1.4)	1.5 ± 0.1 (1.3-1.6)	
V	36	35.1 ± 0.1 (33.0-36.0)	-	
Lip region diam.	7.9	7.4 ± 0.5 (6.6-8.0)	6.7 ± 0.1 (6.5-6.8)	
Odontostyle length 	4.5	5.0 ± 0.4 (4.5-5.5)	4.7 ± 0.5 (4.0-5.0)	
Odontophore length	7.5	7.9 ± 0.7 (6.7-8.6)	7.4 ± 0.5 (6.9-7.9)	
Neck length	255	252.1 ± 6.1 (246-260)	230 ± 11 (220-240)	
Pharynx expansion length	103	103.5 ± 2.0 (102-107)	87.4 ± 3.9 (84.0-92.0)	
Body diam. at neck base	26.6	26.4 ± 1.7 (26.0-30.0)	23.8 ± 1.4 (23-26.0)	
                        mid body	27.4	28.0 ± 0.7 (27.0-29.0)	23.4 ± 0.4 (23.0-24.0)	
                        anus	22	22.8 ± 0.6 (22.0-23.5)	19.1 ± 1.0 (19.0-21.0)	
Pre-rectum length	88	101.6 ± 16.5 (75-110)	73.3 ± 2.2 (69.0-78.0)	
Tail length	32.5	31.5 ± 2.3 (28.5-33.5)	32.2 ± 0.7 (30.5-34.0)	
Spicules length		-	31.8 ± 1.7 (30.0-34.0)	
Demanian indices (de Man 1881): a = body length/body diameter; b = body length/pharynx length; c = body length/tail length; c' = tail length/anal body diameter; V = (distance from anterior region to vulva/body length) × 100