328 U.S. NATIONAL MUSEUM BULLETEST 271 



Aroui Chevreux 



Aroui Chevreux, 1911a. 



Type-species: A. setosus Chevreux, 1911a (monotypy). 



Upper lip and epistome not differentially produced, epistome flat in 

 front (Scopelocheirus) ; mandibular molar small, cylindrical, ridged, 

 palp attached slightly proximal to molar; inner plate of maxilla 1 

 extremely setose; lobes of maxilla 2 subcircular, outer shorter than 

 inner; article 6 of gnathopod 1 terminated by short shroud of setae; 

 article 7 vestigial; gnathopod 2 minutely chelate (Paracallisoma) ; telson 

 of medium length, deeply cleft. Species: 1, Algeria, littoral. 



Azotostoma J. L. Barnard 



Azotostoma J. L. Barnard, 1965. 



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



Mouthparts forming a ventral conical bundle, styliform; mandible 

 lacking molar, palp attached very proximally; palp of maxilla 1 

 large, exceeding outer plate, bent, 2-articulate; inner plate of maxilla 



2 expanded proximally, distal tapered portion with three stout spines; 

 inner plates of maxilliped styliform, outer very large and flagellate, 

 palp 4-articulate, scarcely exceeding outer plate, article 2 produced 

 distally; gnathopod 1 simple, flagelliform, article 6 much longer than 

 5, article 7 elongate but not as long as article 6; uropod 3 biramous, 

 rami equal, 1-articulate; telson short, entire. Species: 1, Micronesia, 

 littoral. 



Bathyamaryllis Pirlot 



Bathyamaryllis Pirlot, 1933a. 



Type-species: B. perezii Pirlot, 1933a (original designation). 



Epistome projecting slightly in front of upper lip; mandible with 

 long, subcorneal, setulose molar, palp attached level with molar; palp 

 of maxilla 1 absent; gnathopod 1 simple, article 6 longer than 5; coxa 

 1 small, partially hidden, subsequent coxae increasing in size; uropod 



3 with 1-articulate outer ramus; telson of medium length, deeply 

 cleft; article 2 of antenna 1 equal to article 1 {Amaryllis). Species: 4, 

 probably cosmopolitan, bathyal to abyssal. 



Bathycallisoma Dahl 



Bathycallisoma Dahl, 1959. Synonym of Scopelocheirus fide Birstein and 

 Vinogradov, 1964. See also Paracallisoma. 



Type-species: B. pacijica Dahl, 1959 (monotypy). 



Upper lip and epistome not differentially produced; mandibular 



