MARINEi GAMMARIDEAN AMPHIPODA 



329 



molar small, conical, unridged, palp attached level with molar but 

 both rather proximal; lower lip with major lobes excavate medially, 

 forming medial gap {combining character) ; inner plate of maxilla 1 

 densely setose; gnathopod 1 simple, article 7 small, article 6 tipped 

 with short setal shroud; gnathopod 2 subchelate but not distinctly 

 chelate (Scopelocheirus) ; telson of medium length, deeply cleft. 

 Species: 1, central Pacific, hadal. 



Figure 124. — Lysianassidae: a, Chevreuxiella metopoides Stephensen (1915), offset showing 

 dorsal urosome (3, 4, 5-6; U=uropod). Antenna 1: b, Bathyamaryllis perezii Pirlot 

 (1933a); c, Lysianassa plumosa Boeck (Sars, 1895, pi. 16, as L. costae); d, Lepidepecreum 

 longicorne (Bate and Westwood) (Sars, 1895, pi. 38, as L. carinatum); e, Ambasia atlantica 

 (Milne Edwards) (Sars, 1895, pi. 17, as A. danielsseni); f, Socarnoides kergueleni Stebbing 

 (1888); g, Menigrates obtusifrons (Boeck) (Sars, 1895, pi. 38); h, Normanion sarsi Stebbing 

 (Sars, 1895, pi. 13, as TV. quadrimand). Antenna 2: i, Eurythenes gryllus (Lichtenstein) 

 (Sars, 1895, pi. 30); ;, Parawaldeckia kidderi (Smith) (Tattersall, 1922); k, Lysianella 

 petalocera Sars (1895, pi. 18). 



