MARINE GAMMARIDEAN AMPHIPODA 243 



telson long and deeply cleft; metasome and urosome dorsally serrate. 

 Species: 1, Ceylon, littoral. 



Liagoceradocus J. L. Barnard 



Liagoceradocus J. L. Barnard, 1965. 



Type-species: L. pusillus J. L. Barnard, 1965 (original designation) 

 Accessory flagelliim 2-articidate; lower lip lacking inner lobes; 

 inner plates of maxillae 1-2 densely setose medially, gnathopods 

 feeble, siibchelate, uropod 3 exceeding nropod 1, rami long, equal, 

 broadly lanceolate, outer 2-articulate ; telson deeply cleft; body lack- 

 ing dorsal teeth or spines. Species: 1, Micronesia, littoral. 



Maera Leach 



Maera Leach, 1814a.— Stebbing, 1906.— Schellenberg, 1938. 

 Mulleria Leach, 1814a (nomen nudum). 

 Lepiothoe Stimpson, 1853. 

 Linguimaera Pirlot, 1936. 



Type-species: Cancer grossimanus Montagu, 1808 (monotypy). 

 See Chevreux and Fage, 1925. 



Accessory flagellum 3- or more articulate; lower lip mth inner 

 lobes; inner plates of maxillae setose only terminally; gnathopods 

 normal; uropod 3 long or short, rami equal, lanceolate or slightly 

 rectangular, outer 1-articulate; telson deeply cleft; urosome occa- 

 sionally toothed ; mandibular palp article 3 slender, not falcate {Elas- 

 mopus). Species: 35, cosmopolitan, primarily tropical, littoral to 

 bathyal (1,238 m). 



Maeracunha Stephensen 



Maeracunha Stephensen, 1949. 



Type-species: M. tristanensis Stephensen, 1949 (monotypy). 



Accessory flagellum more than 4-articulate; lower lip with small 

 inner lobes; inner plate of maxilla 1 with seven partially medial setae, 

 inner lobe of maxilla 2 densely setose medially; gnathopods normal; 

 uropod 3 short, rami subequal, sublanceolate, outer 2-articulate; 

 telson deeply cleft; metasome and urosome un toothed; mandibular 

 palp article 3 subequal to article 1, bearing only two setae (combining 

 character). Species: 1, Tristan da Cunha, littoral. 



Maerella Chevreux 



Maerella Chevreux, 1911a. 



Type-species: Gammarus tenuimanus Bate, 1862 (monotypy). See 

 Chevreux and Fage, 1925. 



