1(4)	body and antennae uniformly yellow-whitish; eye unpigmented, with less than 20 ocelli	2
2(3)	55–56 PT; 16 ocelli; crests low, flattened; cannula of gonopods short and coiled; Xiao cave, China	Sinocallipus simplipodicus
3(2)	59–61 PT, 10–11 ocelli; crests well-developed, ribbed; cannula long and straight; caves in Khammouan Province, Laos	Sinocallipus jaegeri sp. n.
4(1)	either body or antennae with brown pigment; eye black, with more than 30 ocelli	5
5(6)	body brown with light middorsal band stretching from PT 5 to the body end; first four PT, anterior part of head and antennal articles 6 and 7 snow white; eye with 45–50 ocelli; antennae short, slightly extending beyond posterior edge of PT 4, femoroid with two slender acicular and one shorter and subfalcate terminal projections; surroundings of Sri Wilai Temple, Thailand	Sinocallipus thai
6(5)	body generally white-yellowish, sometimes mottled gray-brownish; antennal articles 2–5 brown; antennae long, extending beyond the posterior edge of PT 7 when folded backwards; eye with less than 40 ocelli; femoroid with three slender acicular and one shorter and subfalcate terminal projections	7
7(8)	length of antennae ca 5.5 mm; 3+3 crests between ozopores on midbody PT, gonocoxal process k 2/3 length of process g; cave in Luan Prabang Province, Laos	Sinocallipus steineri sp. n.
8(7)	length of antennae more than 7 mm; 5+5 crests between ozopores on midbody PT; gonocoxal process k half length of process g or smaller; caves in Vietnam	9
9(10)	body length ca 70 mm; gonocoxal process g long, more than 3 times the length of process k; paraprocts divided into two almost equal in size sclerites; caves in Quang Binh Province, Vietnam	Sinocallipus deharvengi sp. n.
10(9)	body length ca 50 mm; gonocoxal process g long, ca 1.5 times the length of process k; paraprocts divided into larger ventral and smaller dorsal sclerites; caves on Cat Ba Island, Vietnam	Sinocallipus catba sp. n.