MARINE GAMMARIDEAN AMPHIPODA 419 



Leptophoxus Sars 



Leptophoxiis Sars, 1895. — Stebbing, 1906. 



Type-species: Phoxus falcatus Sars, 1882 (monotypy). 



Mandibular molar a small nontriturative protuberance; palp of 

 maxilla 1 biarticulate; maxillipedal palp article 3 apically produced, 

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

 wide as article 3; eyes absent. Species: 1, subarctic-boreal, littoral to 

 abyssal. 



Mandibulophoxus J. L. Barnard 



Mandibulophoxus J. L. Barnard, 1957a; 1960. 



Type-species: Phoxus uncirostratus Giles, 1890 (original designation 

 and subsequent synonymy). 



Mandibular molar a setulose, nontriturative protuberance; palp of 

 maxilla 1 biarticulate; maxillipedal palp article 3 not produced, 

 article 4 long, claw-like, tipped with short nail; article 2 of pereopod 3 

 more than twice as wide as article 3 (type) or not; eyes present or 

 absent; mandibular palp set on extension of mandibular body (combining 

 character). Species: 2, Indo-E. Pacific tropical, S. Africa, littoral. 



Metaphoxus Bonnier 



Metaphoxus Bonnier, 1896. — Stebbing, 1906. 



Type-species: M. typicus Bonnier, 1896 (monotypy). 



Mandibular molar a setulose, nontriturative protuberance; palp of 

 maxilla 1 uniarticulate; 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: 4, boreal-warm temperate, littoral 

 to deep bathyal. 



Microphoxus J. L. Barnard 



Microphoxus J. L. Barnard, 1960. 



Type-species: M. minimus J. L. Barnard, 1960 (original desig- 

 nation) . 



Mandibular molar a setulose nontriturative protuberance; palp of 

 maxilla 1 biarticulate; maxillipedal palp article 3 not produced, 

 article 4 long, but with two large apical setae; article 2 of pereopod 3 

 more than twice as wide as article 3; eyes present. Species: 1, Pacific 

 Costa Rica, littoral. 



