MARINE GAMMARIDEAN AMPHIPODA 125 



biarticulate, reaching end of outer plate; maxillipedal palp exceeding 

 outer plate, 3-articulate, article 2 scarcely or not produced; gnathopods 

 both chelate; telson cleft one third. Species: 4, antarctic, bathyal 

 (110-457 m). 



Labriphimedia K. H. Barnard 



Labriphimedia K. H. Barnard, 1931. 



Type-species: L. vespuccii K. H. Barnard, 1931 (original designa- 

 tion) . 



Upper lip entire; mandible with smooth, scoop-shaped, tapering 

 apex; lobes of lower lip not incised; palp of maxilla 1 biarticulate, 

 reaching end of outer plate; maxillipedal palp exceeding outer plate, 

 composed of three articles tipped with a very minute fourth, article 2 

 not produced; gnathopods both ?chelate (type- species not described); 

 telson notched. Species: 2, antarctic, littoral. 



Maoriphimedia Hurley 



Maoriphimedia Hurley, 1954c. 



Type-species: M. hinemoa Hurley, 1954c (original designation). 



Upper lip slightly incised; mandibular apex broad, untoothed, 

 scoop-shaped; lobes of lower lip slightly incised apically; palp of 

 maxilla 1 biarticulate, reaching end of outer plate; maxillipedal palp 

 exceeding outer plate, 3-articulate, article 2 not produced; gnathopods 

 both chelate; telson apically notched. Species: 1, New Zealand, 

 littoral. 



Maxilliphimedia K. H. Barnard 



Maxilliphimedia K. H. Barnard, 1930. 



Type-species: Iphimedia longipes Walker (see 1907) (monotypy). 



Upper lip broad, incised; mandible with broad, toothed apex; 

 lobes of lower lip not incised; palp of maxilla 1 biarticulate, article 2 

 enormously expanded; maxillipedal palp exceeding outer plate, 

 3-articulate, article 2 not produced; gnathopod 1 chelate, (gnathopod 2 

 not described); telson deeply notched. Species: 1, antarctic, bathyal, 

 (183-379 m). 



Odius Liljeborg 



Otus Bate, 1862 (homonym, Lepidoptera) . 

 Odius Liljeborg, 1865.— Stebbing, 1906. 



Type-species: Otus carinatus Bate, 1862 (monotypy). 

 Upper lip narrow, incised; mandible with narrow, dentate apex; 

 lobes of lower lip not incised; palp of maxilla 1 uniarticulate, tiny, 



