470 U.S. InTATIONAL museum bulletin 271 



gnathopod 2 like gnathopod 1 or minutely chelate; uropod 3 lacking 

 inner ramus; telson entire. Species: 27, primarily S. America, 

 freshwater. 



Insula Kunkel 



Insula Kunkel, 1910. 



Type-species: /. antennulella Kunkel, 1910 (montypy). 



Maxilla 1 bearing a palp; article ?4 (Kunkel claims 3 and figures 

 only 3 articles) of maxillipedal palp unguiform; gnathopods subchelate 

 in male (female unknown), relatively alike in size, rather slender 

 (possibly juvenile), article 5 lobed between articles 4 and 6; uropod 3 

 lacking inner ramus; telson entire. Species: 1, Bermuda, littoral. 



Najna Derzhavin 



Najna Derzhavin, 1937. — Gurjanova, 1951. 



Type-species: N. consiliorum Derzhavin, 1937 (monotypy). 



Mandibular molar obsolete; maxilla 1 with vestigial palp; article 4 of 

 maxillipedal palp tiny, short, not unguiform; gnathopods similar in 

 both sexes, subchelate, gnathopod 2 not larger than 1, article 5 lobed 

 between articles 4 and 6; uropod 3 lacking inner ramus; telson entire 

 or slightly notched [probably requires erection of new family]. 

 Species: 1, boreal, N. Pacific, littoral. 



[Neohule Haswell] 



Neobule Haswell, 1880b.— Stebbing, 1906. 



Type-species: A^". algicola Haswell, 1880b (monotypy). 



A problematical genus, probably not a talitroid; uropod 3 biramous, 

 rami equal in size but small; gnathopods subchelate, gnathopod 2 

 larger than 1, palms nearly transverse. Species: 1, Australia, littoral. 



Orchestia Leach 



Orchestia Leach, 1814a. — Stebbing, 1906. 

 Scamballa White, 1847a. 

 Parorchestia Stebbing, 1899a. 



Type-species: Oniscus gammarellus Pallas, 1766 (monotypy and 

 subsequent synonymy). See Sars, 1895 (as Orchestia littorea). 



Maxilla 1 usually with palp, 2-articulate or absent; article 4 of 

 maxillipedal palp a vestigial bud or absent; gnathopods subchelate in 

 both sexes, male gnathopod 2 much larger than 1, female gnathopod 2 

 mitten-like; uropod 3 lacking inner ramus; telson entire. Species: 69, 

 cosmopolitan, primarily tropical, terrestrial (beachhoppers). 



