Acanthonyx petiverii " H. Milne Edwards 1834 Author Aspe, Nonillon M. Department of Natural History Sciences, Graduate School of Science, Hokkaido University, N 10 W 8, Sapporo 060 - 0810, Japan. E-mail: nonillon _ aspe @ yahoo. com nonillon_aspe@yahoo.com Author James, Samuel W. Department of Biology, University of Iowa, Iowa City 52242 - 1324, Iowa, USA. E-mail: samuel-james @ uiowa. edu samuel-james@uiowa.edu text Zoological Studies 2016 55 8 141 149 http://dx.doi.org/10.5281/zenodo.8060301 journal article 10.6620/ZS.2016.55-08 1810-522X 13307452

Table 4. Comparison of Amynthas, Polypheretima, and Pithemera species

Characters	A. dinagatensis n. sp.	A. cagdianaoensis n. sp.	A. talaandigensis n. sp.	P. bukidnonensis n. sp.	P. zamboangensis n. sp.	P. nolani n. sp.
Length	240	>52	85-110	131	223-306	143-159
Width x, xx	9, 7	2.6, 3	3.2-4.5, 3.7-4.5	5-6.5, 5.5-6.5	3.5-4, 4-5	3.5, 3.5
Dorsal pigmentation	Dark brown	brown	brown	brown	unpigmented	Reddish brown
Segment equator	unpigmented	pigmented	unpigmented	pigmented	unpigmented	unpigmented
Segments	163-167	?	85-105	147	227-248	100-114
1st dorsal pore	12/13	11/12	13/14	12/13	12/13	11/12
Setal gaps D, V	+, -	+, -	-, -	+, -	+, +	+, +
Spermathecal pores	-	Paired at 8/9	Paired at 6,7,8,9	Batteries at 5/6/7	-, paired at 5/6/7	Paired at 5/6
Sperm. pore distance	-	0.12	0.13	-	inconspicuous	0.19
Male pore distance	0.27	0.11	0.2	0.22	0.31	0.20
Setae between openings	20	3	12-13	6-7	8-9	9-11
Setae vii, xx	35-48, 70-73	40, 39	32-37, 40-45	39-45, 46-58	60-84, 69-70	34-36, 56-59
Genital markings	-	-	-	Paired in xix-xxi	Paired in xix-xxii	-
Gizzard	viii-x	viii-x	viii-x	viii-x	x-xi	viii-x
Intestinal origin	xiii	xv	xvi	xv	xvii	xiv
Caeca	xxvii-xxi	xxvii-xxiii	xxvii-xxiv	-	-	xxiii-xxi
Prostate	xviii	xv-xix	xviii	xvi/xvii-xix	xvi-xix	xvi-xx/ xv-xix
Copulatory bursae	-	-	-	-	-	xvii-xix