140 U.S. NATIONAL MUSEUM BULLETIN 271 



Hoplopleon K. H. Barnard 



Hoplopleon K. H. Barnard, 1932. 



Type-species: Peltocoxa australis K. H. Barnard, 1916 (original 

 designation) . 



Article 2 of pereopods 4-5 expanded, of pereopod 3 slender (Hoplo- 

 pheonoides); gnathopod 2 subchelate, palm oblique or transverse; 

 [uropod 2 unknown]; urosomite 1 elongate, keeled; urosomite 3 not 

 vaulting over telson; telson normal; mandibular molar triturative, 

 palp absent; palp of maxilla 1 biarticulate (Hoplopheonoides) . Species: 

 3, antarctic to S. W. Africa, littoral. 



Neocyproidea Hurley 



Neocyproidea Hurley, 1955. 



Type-species: Cyproidea otakensis Chilton, 1900 (original 

 designation) . 



Article 2 of pereopods 3-5 somewhat expanded; gnathopod 2 nearly 

 simple; uropod 2 long; urosomite 1 elongate, dorsally keeled, slightly 

 vaulting to base of telson or less; urosomite 3 not vaulting over telson; 

 telson normal; mandibular molar strong, palp absent. Species: 2, 

 New Zealand, littoral. 



Paracyproidea Stebbing 



Paracyproidea Stebbing, 1899d, 1906. 



Type-species: Cyproidia [sic] lineata Haswell, 1880c (original 

 designation) . 



Article 2 of pereopods 3-5 slender, linear; gnathopod 2 subchelate, 

 palm oblique; uropod 2 long; urosomite 1 not elongate, not keeled; 

 urosomite 3 not vaulting over telson; telson huge; mandibular molar 

 triturative, palp 3-articulate. Species: 1, E. Australia, littoral. 



Peltocoxa Catta 



Peltocoxa Catta, 1875.— Stebbing, 1906. 



Type-species: P. marioni Catta, 1875 (original designation). See 

 Chevreux and Fage, 1925. 



Article 2 of pereopods 4-5 expanded, of pereopod 3 slender and 

 linear; gnathopod 2 subchelate, palm transverse; uropod 2 long; 

 urosomite 1 short, unkeeled; urosomite 3 not vaulting over telson; 

 telson huge; mandibular molar triturative, palp 3-articulate. Species : 

 2, E. Atlantic, littoral. 



