MARINE GAMMARIDEAN AMPHIPODA 



57 



Figure 6.— Lafystiidae : a. head and conical mouthpart bundle [stippled area is body]; 

 b, accessory flagellum absent; c, mandible, molar absent, note styliform shape; d, max- 

 illiped, note only two palp articles [differing from nearly all other Gammaridea]; e, coxae 

 1-4, left to right [see Acanthonotozomatidae];/, telson. 



Gnathopod 1 is simple, gnathopod 2 is weakly subchelate. Similar to Acanthonotozomatidae 



except for reduced maxiUipedal palp, lack of pereonal and metasomal sculpture, and shapes 



of coxae 1-4. 



