Gnathostenetroides pugio 1 1 



Superfamily Gnathostenetroidoidea Kussakin, 1967 



DIAGNOSIS 6 : Pleopod 1 peduncles fused, uniarticulate rami separate, op- 

 ercular; pleopod 2 small, with biarticulate exopod and copulatory endopod; 

 pleopod 3, broad endopod biarticulate, exopod slender, uniarticulate. 9: 

 Pleopod 1 absent; pleopod 2 rami fused to form operculum; pleopod 3 as in 



6. 



Family Gnathostenetroididae Kussakin, 1967 



DIAGNOSIS Uropods with short sympod, rami relatively well developed. 6: 

 Pleopod 1, protopodites short, fused, rami separate, together forming oper- 

 culum covering remaining pleopods. Pleopod 2, separate, much smaller than 

 pleopod 1. Pleopod 3, exopod elongate, slender; endopod uniarticulate, 

 broad. 9: Pleopod 2, rami fused to form operculum covering remaining 

 pleopods. 



Key to genera of Gnathostenetroididae 



1. Eyes absent. Rostrum anteriorly rounded/truncate Neostenetroides 



Eyes present. Rostrum anteriorly bilobed Gnathostenetroides 



Gnathostenetroides Amar, 1957 



DIAGNOSIS Eyes present. Rostrum well developed, anteriorly bilobed. Per- 

 eonite 1 , especially in S , larger than following pereopods. Pleon having one 

 very short free pleonite. Pleotelson with lateral margins subparallel, ending 

 in strong tooth posteriorly; posterolateral margins sinuous, rounded. Mand- 

 ible in 6 with strong projection arising proximolateral to incisor, visible dor- 

 sally; in 9 , projection short, not visible dorsally. 



Gnathostenetroides pugio Hooker, 1985 

 Figure 36A-C 



DIAGNOSIS S 3.2 mm, 9 1.6 mm. Eyes of five ommatidia each. 6: Per- 

 eopod 1, merus with anterior margin strongly produced into narrow triangu- 

 lar process; propodus broad, palm demarked by strong denticulate spine and 



