MARESTE GAMMARIDEAN AMPHIPODA 177 



Halirages Boeck 



Halirages Boeck, 1871.— Stebbing, 1906. 



Type-species: Amphithoe julvocincta M. Sars, 1858 (selected by 

 Boeck, 1876). See Sars, 1895. 



Antennae subequal or antenna 1 short; accessory flagellum absent 

 or article 3 of antenna 1 with process; lower lip with small or large 

 inner lobes; gnathopodal palms distinct, articles 5 and 6 subequal, 

 together not elongate or article 5 elongate, article 5 lacking distinct 

 posterior lobe; telson emarginate, toothed or pointed; telson and 

 peduncle oj urojpod 3 elongate, body usually dor sally processiferous 

 {Bouvierella) ; calceoli present on male antennae (Apherusa). Species: 

 10, bipolar, littoral to abyssal (2,500 m). See note on H. regis (Stebbing, 

 1914) in "Relationship" of Calliopiidae. 



Haliragoides Sars 



Haliragoides Sars, 1895. — Stebbing, 1906. 



Type-species: Halirages inermis Sars, 1882 (monotypy). See Sars, 

 1895. 



Antenna 1 shorter than antenna 2; accessory flagellum absent; 

 lower lip with inner lobes; gnathopodal palms distinct, article 5 

 longer than article 6, together not elongate, article 5 lacking posterior 

 lobe; telson pointed or toothed; coxa 4 not longer than coxa 1 (Apherusa). 

 Species: 3, bipolar, littoral to abyssal (2,450 m). 



Harpinioides Stebbing 



Harpinioides Stebbing, 1888; 1906. 



Type-species: H. drepanocheir Stebbing, 1888 (monotypy). 



Antenna 1 longer than antenna 2; accessory flagellum more than 

 half as long as article 1 of primary flagellum; mandibular molar tumid, 

 ovate, not triturative; lower lip with slight inner lobes; sixth articles of 

 gnathopods slender, simple, apically bent, tapering, article 7 half as long 

 as article 6, article 5 much shorter than article 6, with distinct posterior 

 lobe; telson notched. This genus also assigned to Pleustidae. Species: 

 1, Indonesia, Kerguelen (108-496 m). 



Laothoes Boeck 



Laothoes Boeck, 1871.— Stebbing, 1906. 

 Thoelaos Delia Valle, 1893. 



Type-species: L. meinerti Boeck, 1871 (monotypy). See Sars 1895. 



Antenna 1 shorter than antenna 2; accessory flagellum absent; lower 

 lip lacking inner lobes; gnathopodal palms distinct, articles 5 and 6 

 equal, together not elongate or slightly elongate, article 5 lacking 



