New species of Elaphoidella Chappuis, 1929 and Schizopera Sars, 1905 (Copepoda Harpacticoida) from two caves in northeastern and southern Thailand Author Watiroyram, Santi 0000-0003-4920-3979 Division of Biology, Faculty of Science, Nakhon Phanom University, Nakhon Phanom 48000, Thailand. santi. watiroyram @ npu. ac. th; https: // orcid. org / 0000 - 0003 - 4920 - 3979 santi.watiroyram@npu.ac.th Author Sanoamuang, La-Orsri 0000-0003-0377-1225 Applied Taxonomic Research Center, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand. la _ orsri @ kku. ac. th; https: // orcid. org / 0000 - 0003 - 0377 - 1225 & International College, Khon Kaen University, Khon Kaen 40002, Thailand. la_orsri@kku.ac.th Author Brancelj, Anton National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia. & University of Nova Gorica, School of Environmental Sciences, Vipavska cesta 13, 5000 Nova Gorica, Slovenia. text Zootaxa 2021 2021-10-12 5051 1 550 569 journal article 4022 10.11646/zootaxa.5051.1.22 7a0e79f9-c181-4609-963a-bc22fadf7705 1175-5326 5563968 7B5C33B9-2678-427A-9F3C-2622C32F1961

TABLE 1. Morphological comparison of Thai representatives of the genus Schizopera (females only).

	S. longirostris	S. subterranea	S. validior *	S. paktaii sp. nov.
Relative length of segments
* closely related to S. paktaii sp. nov.; originally described from Lake Tanganyika (Africa).
P1 Enp-1: Exp-1-3	Enp-1> Exp	Enp-1 <Exp	Enp-1 ≤ Exp	Enp-1 ≤ Exp
P1 Enp-1: Enp-2-3	2.0 times	1.0 times	1.5 times	1.5 times
P1 Enp-1 length: width	3.0–4.0 times	≤ 2.0 times	3.0–4.0 times	> 5.0 times
Caudal ramus length: width	1.5 times	1.5 times	1.5 times	2.0 times
Number of setae and spines
P2–P4 Exp-3	4.?.?	4.4.4	4.4.4	4.4.4
P2–P4 Exp-2	2.?.?	2.2.2	2.2.2	2.2.2
P3–P4 Enp-3	?.?	4.3	4.3	4.3
P2–P4 Enp-1	1.?.?	0.1.1	0.1.1	0.1.1
P5 baseoendopod / Exp	4 / 6	4 / 6	4 / 6	4 / 5
Ornamentation on inner margin of caudal rami	hairy	naked	hairy	hairy