152 U.S. ISTATIONAL MUSEUM BULLETIN 271 



Aora Kr0yer 



Aora Kr0yer, 1845.— Stebbing, 1906. 

 Lalaria Nicolet, 1849. 

 Lonchomerus Bate, 1857a. 



Type-species: A. typica Kr0yer, 1845 (monotypy). See Sars, 1895. 



Article 3 of antenna 1 shorter than article 1, accessory flagellum 

 present; male gnathopod 1 complexly subchelate, with long tooth on 

 article 4, articles 5-6 lacking teeth, article 6 slightly shorter and some- 

 times narrower than article 5, simple, female gnathopod 1 scarely 

 subchelate; male gnathopod 2 subchelate, not heavily setose on 

 anterior edge of article 5, articles 5 and 6 subequal; rami of uropod 3 

 subequal, longer than peduncle. Species: 2, Atlantic, amphiboreal, 

 littoral, bathyal. 



Aorcho J. L. Barnard 



Aorcho J. L. Barnard, 1961. 



Type-species: A. delgadus J. L. Barnard, 1961 (original designa- 

 tion) . 



Article 3 of antenna 1 as long as article 1, accessory flagellum 

 present; male gnathopod 1 lacking teeth, scarcely larger than and 

 similar to gnathopod 2, [female unknown]; gnathopod 2 subchelate, 

 poorly setose, articles 5-6 subequal; rami of uropod 3 subequal, longer 

 than peduncle. Species: 1, Tasman Sea (610 m). 



Aoroides Walker 



Aoroides Walker, 1898.— Stebbing, 1906. 



Type-species: A. columbiae Walker, 1898 (monotypy). See J. L. 

 Barnard, 1954. 



Article 3 of antenna 1 shorter than article 1, accessory flagellum 

 absent; male gnathopod 1 complexly subchelate, with long tooth on 

 article 4, articles 5-6 lacking teeth, article 6 shorter and narrower 

 than 5, simple, female gnathopod 1 scarcely subchelate; male gnatho- 

 pod 2 not heavily setose, articles 5-6 subequal, subchelate; rami of 

 uropod 3 subequal, as long as peduncle. Species: 2, Pacific boreal, 

 littoral. 



Coremapus Norman 



Coremapus Norman, 1905. 



Type-species: Lemhos versiculatus Bate, 1857a (original designa- 

 tion). See Chevreux and Fage, 1925. 



Article 3 of antenna 1 shorter than article 1, accessory flagellum 

 present; male gnathopod 1 with distal tooth on article 5, article 6 



