402 U.S. NATIONAL MUSEUM BULLETIN 271 



Type-species: H. abyssi Boeck, 1871 (selected by Boeck, 1876). 

 See Sars, 1895. 



Article 2 of antenna 1 shorter than article 1, article 1 of primary 

 flagellum as long as or longer than peduncular article 1 (Pardisynopia) ; 

 [upper and lower lips not described]; gnathopods simple, article 6 

 slender, longer than 5, article 5 not lobed, dactyls simple or rarely 

 half spinose {H. macronyx); urosomal teeth strong (Pardisynopia) ; 

 telson cleft 40 percent or more; head usually normal in appearance, 

 with projecting lateral lobes and narrow rostrum but occasionally formed 

 into blunt anterior "shark nose" condition like Pseudotiron (Synopiidae) . 

 Species: 11, cosmopolitan, bathy-abyssopelagic. 



Halicella Schellenberg 



Halicella Schellenberg, 1926a. 



Type-species: H. parasitica Schellenberg, 1926a (monotypy). 



Mouthparts forming a cone-like bundle below head; article 2 of antenna 

 1 shorter than article 1; [upper lip and lower lip not described]; 

 gnathopods simple, article 6 longer than 5, 5 not lobed, dactyls 

 simple; telson deeply cleft. Species: 1, antarctic, littoral. 



Halicoides Walker 



Halicoides Walker, 1896.— Stebbing, 1906. 



Type-species : H. anomala Walker, 1896 (monotypy). See Chevreux 

 and Fage, 1925. 



Antenna 1 lacking accessory flagellum {but see Birstein and Vindo- 

 gradov, 1960), article 2 shorter than article 1; [upper lip and lower 

 lip not described]; gnathopods simple, articles 5 and 6 subequal, 

 dactyls simple; telson deeply cleft. Species: ?1+, Bay of Biscay, 

 littoral (possibly also tropical-ba thy pelagic). See "Revisionary Notes 

 on Pardaliscidae." 



Necochea J. L. Barnard 



Necochea J. L. Barnard, 1962d. 



Type-species: A^. pardellaJ. L. Barnard, 1962d (original designation). 



Article 2 of antenna 1 shorter than article 1 ; [ujDper and lower lip 

 not described]; maxilla 2 obsolescent; gnathojDods simple, article 6 

 shorter than 5, 5 not lobed, dactyls with a few setules; telson deeply 

 cleft; coxa 6 with nearly twice as much surface area as other coxae. 

 Species 1, subantarctic, abyssal. 



