Xenosinelobus balanocolus, a new tanaidid genus and species (Crustacea: Peracarida: Tanaidacea) from barnacles on intertidal rocky shores and seawalls in the Singapore Strait Author Chim, C. K. Author Tong, Samantha J. W. text Zootaxa 2019 2019-07-08 4629 3 413 427 journal article 26267 10.11646/zootaxa.4629.3.9 8f475431-fd20-4445-9ffb-62b57b270a10 1175-5326 3271079 91137CFD-31AD-4134-86F8-C63FB03A71F4

TABLE 1. Comparison of eight species in the three genera Parasinelobus, Sinelobus and Xenosinelobus n. gen. belonging to the subfamily Sinelobinae.

Species	P. chevreuxi	S. stanfordi (Rich-	S. pinkenba	S. barretti	S. bathykolpos	S. vanhaareni	S. stromatoliticus	X. balanocolus
	(Dollfus, 1898)	ardson, 1901)	Bamber, 2008	Edgar, 2008	Bamber, 2014	Bamber, 2014	Rishworth, Perissino-	n. gen. n. sp.
							tto & Błażewicz, 2018
Body length	7.3 mm	2.8 mm	Female: 4.1 mm	Female: 2.3 mm	Female: 1.6 mm	Both sexes: 2.7	Female: 2.2 mm	Female: 2.1
			Male: 3.3 mm	Male: 2.4 mm	Male: 1.8 mm	mm	Male: 1.8 mm	mm
Sexual dimorphism	Unknown	Strong	Weak	Strong	Strong	Strong	Strong	Male. 2.0 mm Weak
Antennule terminal	3	Female: 2	3	Female: 1	1	1	2	Female: 2
article aesthetascs Antenna articles-2	Present on	Male: 3 Absent	Present on both	Male: 2 Present on	Present on both	Absent	Present on both	Male: 3 Present on both
and -3 flange Antenna articles-2	article-2 only Present	Absent	articles Absent	article-2 only Absent	articles Absent	Absent	articles Absent	articles Absent
and -4 setal tuft Antenna article-5	As long as	0.7 times as long	0.6 times as long	As long as	As long as	0.9 times as	0.6 times as long as	Less than 0.1
	article-4	as article-4	as article-4	article-4	article-4	long as article-	article-4	times as long
Left mandible	Tooth-like, with	Tooth-like, with	Tooth-like, with-	Tooth-like,	Tooth-like, with	4 Tooth-like,	Tooth-like, with one	as article-4 Tooth-like,
lacinia mobilis Right mandible	two setae Peg-like, with	one seta Peg-like, with one	out seta Peg-like, with-	without seta Peg-like, with-	one seta Peg-like, with	with one seta Peg-like, with	seta Peg-like, with one seta	with one seta Tooth-like,
lacinia mobilis Maxillule endite	one seta 9	seta 8	out seta 7	out seta 7	one seta 7	one seta 8	8	with one seta 8
distal spiniform
setae Maxillule palp setae	13	2	2	2	2	2	2	3
Epignath terminal	Short	Short	Short	Short	Short	Short	Short	Long
seta Cheliped propodus	One simple seta	One simple seta	Two simple	One simple seta	Two simple	Two simple	Naked	One plumose
inner setation near			setae		setae	setae		seta
dactylus insertion Pereopod 1 coxa	Absent	Absent	Absent	Absent	Absent	Absent	Absent	Present
spiniform seta Pereopod 1 propo-	2, 10, 0	1, 3, 0	2, 1, 0	1, 1, 0	2, 1, 0	2, 1, 0	2, 1, 0	1, 3, 1
dus dorsal, ventral
and inner setae