Four new free-living marine nematode species (Plectida: Ceramonematidae) and two new species records (Desmodorida: Desmodorinae) from Rangitāhua / Kermadec Islands, Aotearoa / New Zealand Author Leduc, Daniel National Institute of Water and Atmospheric Research, Wellington, 14 – 901, New Zealand. Daniel.Leduc@niwa.co.nz text European Journal of Taxonomy 2024 2024-12-03 970 138 174 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2755/12613 journal article 306390 10.5852/ejt.2024.970.2755 52d93426-2c24-4ff6-9765-a02d8d5ac40f 2118-9773 14276273 D69E85B6-D756-4862-AA0B-43C33A442CB8

Table 3. Morphometrics of Pselionema huakita sp. nov. Abbreviations: see Material and methods.

	males		females
	holotype	paratypes	paratypes
n	1	3	2
L	1271	900–1213	1058, 1259
a	67	50–64	57, 59
b	7	5–7	6, 7
c	7	6–7	5, 7
c’	9.7	9.0–10.2	11.3, 15.1
cephalic capsule width × length	18 × 41	17–18 × 38–43	17, 22 × 40
cephalic ratio	2.3	2.1–2.4	1.8, 2.4
number of pharyngeal annules	19	18	16, 19
number of mid-body annules	114	93–116	83, 118
number of tail annules	26	24–30	24
total number of annules	159	141–160	123, 161
body diam. at cephalic setae	14	14–15	13, 17
body diam. at amphids	18	16–18	17, 22
length of cephalic setae	12–13	10–13	10–15
length of outer labial setae	18	17–18	16, 17
amphid height	5	5–6	4, 5
amphid width	28	31–33	23, 24
amphid width / cbd (%)	17	15–19	16, 17
amphid from anterior end	112	120–124	142
nerve ring from anterior end	18	18–19	17
nerve ring cbd	160	143–157	146, 153
excretory pore from anterior end	191	172–185	176, 182
pharynx length	8	8–9	8, 10
pharyngeal bulb diam.	19	17–19	18, 22
pharynx cbd	19	18–19	18, 22
max. body diam.	34	29–33	–
spicule length	15	12–16	–
gubernaculum length	18	16–17	13, 16
cloacal / anal body diam.	174	153–174	181, 196
tail length	–	–	468, 584
V	–	–	44, 46
%V	–	–	18, 22