First Description of Phyllosoma Larva in the Genus Projasus (Crustacea: Decapoda: Palinuridae) Author Konishi, Kooichi Fisheries Resources Institute, Japan Fisheries Research and Education Agency, Yokohama, Kanagawa 220 - 6115, Japan E-mail: kzoea @ affrc. go. jp & Corresponding author kzoea@affrc.go.jp Author Yanagimoto, Takashi Fisheries Resources Institute, Japan Fisheries Research and Education Agency, Yokohama, Kanagawa 220 - 6115, Japan E-mail: kzoea @ affrc. go. jp kzoea@affrc.go.jp Author Chow, Seinen Fisheries Resources Institute, Japan Fisheries Research and Education Agency, Yokohama, Kanagawa 220 - 6115, Japan E-mail: kzoea @ affrc. go. jp kzoea@affrc.go.jp text Species Diversity 2022 2022-07-29 27 2 243 249 http://dx.doi.org/10.12782/specdiv.27.243 journal article 304150 10.12782/specdiv.27.243 7707e461-8b62-4ccd-8000-bf246d2053c3 2189-7301 7175459

Table 1. Main larval characteristics in the final or latest stages of phyllosoma in 10 palinurid genera.*

		Cephalic shield				Maxillue	Mxp 2	Mxp 3	Pereiopod	Pleon
* No late stage phyllosoma with evident identification has been described in the genera Palibythus and Linuparus to date. ** Latest stage. BE: basial endite; CW:cephalic shield width; DMS:dorsal median spine; Mxp: maxilliped; P: pereiopod; r: rudimentary bud; TW: thoax width; “−” means absent; “+” means present. References: 1 McWilliam and Phillips (1987); 2 Sims (1966); 3 Michel (1970); 4 Gurney (1936); 5 Berry (1974); 6 Bouvier (1914); 7 Goldstein et al. (2008); 8 Johnson and Robertson (1970); 9 Konishi et al. (2021); 10 Palero et al. (2010); 11 Sekiguchi et al. (1996).
Genus	outline	rostrum	overlap on thorax	overlap on Mxp 3 coxa	CW/TW ratio **	stout spines on BE	exopod	exopod	chelate	DMS on pleonite	References
‘Silentes’ group
Projasus	circular	+	No	Yes	2.33	5	+	+	?	1	This study
Sagmariasus	circular	−	No	Yes	1.93	4	r	−	No	—	1
Jasus	circular	−	No	Yes	2.25	3	r	−	No	—	1
Palinurellus	rectangular	+	Yes	Yes	2.25	3	+	+	No	—	2, 3
‘Stridentes’ group
Palinurus	oval	−	No	Yes	1.71	3	+	+	No	—	4, 5, 6
Panulirus	oval	−	No	Yes	0.83	3	+	+	No	—	7
Justitia	oval	−	No	No	1.06	2	+	+	Yes (P1,P3)	—	8, 9
Nupalirus	oval	−	No	Yes	0.91	2	+	+	Yes (P1,P3,P4)	—	8, 9
Palinustus	subrectangular	−	No	Yes	1.76	2	+	+	Yes (P1,P3,P4)	2	10
Puerulus	circular	−	Yes	Yes	1.98	2	+	+	No	1	11