MARINE GAMMARIDEAN AMPHIPODA 127 



Parapanoploea NichoUs 



Parapanoploea NichoUs, 1938. 



Type-species: P. oxygnathia NichoUs, 1938 (original designation). 



Upper lip broad, faintly emarginate; mandible with needle-like 

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

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

 4-articulate, article 2 slightly produced medially; gnathopods chelate; 

 celson notched. Species: 1, antarctic (220 m). 



Pariphimedia Chevreux 



Pariphimedia Chevreux, 1906a. 



Type-species: P. integricauda Chevreux, 1906a (original designa- 

 tion) . 



Upper lip broad, faintly emarginate; mandible with narrow, dentate 

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

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

 3-articulate or with minute article 4, article 2 strongly produced 

 medially; gnathopods chelate; telson entire. Species: 2, antarctic, 

 littoral. 



Pariphimediella Schellenberg 



Pariphimediella Schellenberg, 1931. 



Type-species: Iphimedia serrata Schellenberg, 1926a (original 

 designation). 



Upper lip broad, faintly emarginate; mandible with narrow, toothed 

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

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

 3-articulate, article 2 faintly produced; gnathopods chelate; telson 

 broadly emarginate or cleft. Species: 5, antarctic, littoral to bathyal. 



Pseudiphimediella Schellenberg 



Pseudiphimediella Schellenberg, 1931. 



Type-species: Amphitoe nodosa Dana, 1853 (original designation). 



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

 of lower lip not incised; palp of maxilla 1 biarticulate, reaching end 

 of outer plate; maxillipedal palp exceeding outer plate, 3-articulate, 

 article 2 not produced, articles 1-2 broadened; gnathopod 1 chelate, 

 gnathopod 2 slightly chelate; telson entire or faintly emarginate. 

 Species: 1, subantarctic, littoral. 



