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U.S. NiATIONAL MUSEUM BULLETENT 271 



Figure 7. — Acanthonotozomatidae : a, head, note mouthparts arranged into conical bundle 

 [see Paramphithoidae, Stilipedidae]; b, accessory flagellum absent or vestigial; c, man- 

 dible, note styliform shape [see Stegocephalidae]; d,e, variation in coxae 1^, left to right, 

 note acumination of one or more coxae ventrally [see Pardaliscidae, Lafystiidae, Stili- 

 pedidae]; /,g, variation in telson. 



Ochlesidae have no maxillipedal palps whereas Acanthonotozomatidae have 3-4-articulate 



palps. Lafystiidae have 2-articulate maxillipedal palps. 



