420 U.S. NATIONAL MUSEUM BULLETIN 271 



Paraphoxus Sars 



Paraphoxus Sars, 1895. — Stebbing, 1906.— J. L. Barnard, 1960. 



Pontharpinia Stebbing, 1897. 



Parharpinia Stebbing, 1899d. 



Protophoxus K. H. Barnard, 1930. 



Trichophoxus K. H. Barnard, 1930. 



Metharpinia Schellenberg, 1931. 



Type-species: Phoxus oculatus Sars, 1879 (monotypy). 



Mandibular molar a setulose nontriturative protuberance; palp of 

 maxilla 1 biarticulate; maxillipedal palp article 3 not produced, 

 article 4 long, claw-like; article 2 of pereopod 3 more than twice 

 as wide as article 3 ; eyes present. Species : 46, cosmopolitan, mainly 

 littoral, occasionally bathyal in high latitudes. 



Phoxocephalus Stebbing 



Phoxus Kr0yer, 1842 (homonym, Coleoptera). 

 Spinifer Kr0yer, 1842 (homonym, MoUusca). 

 Phoxocephalus Stebbing, 1888 (new name); 1906. 



Type-species: Phoxus holbolli Kr0yer, 1842 (selected by Boeck, 

 1876). See Sars, 1895. 



Mandibular molar well developed, ridged; palp of maxilla 1 uni- 

 articulate; maxillipedal palp article 3 not produced, article 4 long, 

 claw-like; article 2 of pereopod 3 more than twice as mde as article 

 3; eyes present or vestigial. Species: 7 (one dubious), cosmopolitan 

 cold-water, littoral to bathyal. 



Proharpinia Schellenberg 



Proharpinia Schellenberg, 1931. 



Type-species: P. an^^i^ocZa Schellenberg, 1931 (monotypy). 



Mandibular molar a setulose nontriturative protuberance; palp of 

 maxilla 1 biarticulate; maxillipedal palp article 3 not produced, 

 article 4 of medium length or short, Avith a long apical spine and 

 accessory setae, but appearing long and claw-like because of the 

 long spine; article 2 of pereopod 3 slender, scarcely wider than 

 article 3; eyes present; antenna 2 lacking basal ensiform process 

 (Heterophoxus) . Species: 4, Galapagos, antiboreal, littoral. 



Pseudharpinia Schellenberg 



Pseudharpinia Schellenberg, 1931. 



Type-species: P. d^entoto Schellenberg, 1931 (monotypy). 

 Antenna 2 with basal ensiform process, male antenna 2 unknown in 

 type and elongate in some species (Harpiniopsis) ; mandibular molar a 



