Table 2. Morphometrics (μm) of Metacylicolaimus catherinae sp. nov.

	Male			Females
	Holotype	Paratypes		Paratypes
Specimen	M1	M2	M3	F1	F2	F3	F4
L	16,525	17,144	15,514	13,454	17,062	15,721	18,943
a	65	75	55	63	59	66	56
b	9	10	9	8	9	8	8
c	26	38	26	22	25	21	23
c′	4.3	3.2	3.8	4.5	4.8	5.6	4.7
Head diam. at cephalic setae	60	59	57	64	63	61	67
Head diam. at amphids	66	61	71	62	66	63	72
Length of outer labial setae	15, 16	15, 16	13–16	17	18	14	18
Length of cephalic setae	16, 17	13–17	16	18	19	18	19
Amphidial fovea height	16	16	17	18	17	17	22
Amphidial fovea width	14	16	15	15	14	15	15
Amphidial fovea width/cbd (%)	24	23	21	24	21	24	21
Amphidial fovea from anterior end	33	28	36	15	28	30	29
Amphidial aperture height	8	9	10	9	11	9	11
Amphidial aperture width	3	4	3	3	5	4	5
Nerve ring from anterior end	589	487	510	493	527	515	695
Nerve ring cbd	180	159	168	188	177	170	213
Pharynx length	1,912	1,772	1,679	1,693	1,825	1,864	2,370
Pharyngeal diam. at base	111	99	121	127	127	111	149
Pharynx cbd at base	255	221	278	293	290	237	324
Max. body diam.	255	228	280	214	290	237	340
Spicule length	171	175	189	–	–	–	–
Gubernaculum length	45	43	49	–	–	–	–
Cloacal/anal body diam.	146	142	158	136	145	134	177
Tail length	634	456	607	610	689	756	838
V	–	–	–	8,403	8,669	8,024	9,586
%V	–	–	–	62	51	51	51
Vulval body diam.	–	–	–	211	214	215	226

Note:

a, body length/maximum body diameter; b, body length/pharynx length; c, body length/tail length; c′, tail length/anal or cloacal body diameter; cbd, corresponding body diameter; L, total body length; V, vulva distance from anterior end of body; %V, V/total body length × 100.