Corononema vulgare sp. n. and Hofmaenneria coralis sp. n. (Nematoda, Monhysterida) from coral reefs off the coast of Vietnam Author Phuong, Nguyen Thi Xuan 0000-0001-8911-014X Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Sciences and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & ntxphuong. iebr @ gmail. com; https: // orcid. org / 0000 - 0001 - 8911 - 014 X ntxphuong.iebr@gmail.com Author Long, Phan Ke 0000-0003-4998-260X Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Sciences and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & pkelong @ gmail. com; https: // orcid. org / 0000 - 0003 - 4998 - 260 X pkelong@gmail.com Author Thanh, Tran Thi Viet 0000-0002-2381-5873 Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & thanhbttnvn @ gmail. com; https: // orcid. org / 0000 - 0002 - 2381 - 5873 & Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Yaroslavl Province, Borok, 152742, Russia. Laboratory of Coastal Benthic Ecology, P. P. Shirkov Institute of Ecology, Russian Academy of Sciences, Russia. & gagarin @ ibiw. yaroslavl. ru; https: // orcid. org / 0009 - 0003 - 4817 - 8238 & vadim @ ocean. ru; https: // orcid. org / 0009 - 0003 - 2873 - 0638 thanhbttnvn@gmail.com Author Tu, Nguyen Dinh 0000-0002-1829-3636 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Sciences and Technology, 18 Hoang Quoc Viet Road, Cau Giay, Hanoi, Vietnam. & ngdtu @ yahoo. com; https: // orcid. org / 0000 - 0002 - 1829 - 3636 ngdtu@yahoo.com text Zootaxa 2023 2023-11-28 5380 1 67 76 https://mapress.com/zt/article/download/zootaxa.5380.1.5/52359 journal article 279643 10.11646/zootaxa.5380.1.5 4cea9af3-86e4-46d9-b128-d82bbb0c51c8 1175-5326 10212692 1F31D83F-BDFD-4832-8858-4F9A0A0ACA8A

TABLE 2. Measurements of Hofmaenneria coralis sp. n. All measurements are in µm, except for the ratios a, b, c, cʹ and V.

Character	Holotype male	Paratypes males (n = 10)		Paratypes females (n = 7)
		range	mean	range	mean
Length	1164	1046–1293	1159	1172–1240	1202
a	53	44–56	48	46–55	50
b	6.5	5.4–6.7	6.1	5.7–6.3	6.0
c	9.8	9.8–12.6	10.7	7.0–10.8	9.2
cʹ	7.0	5.0–7.0	6.0	6.5–8.2	7.6
V (%)	-	-	-	66.2–72.7	68.8
Labial region width	14	13–14	14	13–15	14
Outer labial setae length	13	13–14	14	13–15	14
Distance from amphidial fovea to anterior body 20 end		18–22	20	19–24	23
Mid-body diameter	22	20–25	23	22–26	24
Anal (cloacal) body diameter	17	15–19	17	16–18	17
Pharynx length	178	178–201	191	187–213	202
Distance from pharynx base to vulva	-	-	-	547–655	625
Distance from vulva to anus	-	-	-	187–306	245
Distance from pharynx base to cloaca	867	731–945	860	-	-
Tail length	119	94–122	108	116–148	130
Spicules length (along arc)	32	30–34	32	-	-
Gubernaculum length	11	10–12	11	-	-