MARINIE GAMMARIDEAN AMPHIPODA 



89 



Figure 38. — Calliopiidae: a, lower lip, with or without inner lobes [see shape of lower lip 



of Pleustidae]; h, accessory flagellum either absent or uniarticulate; c, coxa 4, left aspect, 



posterior edge excavate [see Isaeidae and related families]; d,e,f, variations in telson [see 



Eusiridae, Gammaridae]. 



Oedicerotidae have disproportionately long fifth pereopods (but see Paracalliope). Laphys- 



tiopsidae have a poorly developed mandibular molar. Paramphithoidae have one or more 



of coxae 1-4 cuspidate or pointed. Amphilochidae have reduced first coxae. Some calliopiids 



have nonexcavate coxa 4 but lack pereopodal glands of isaeid-like families ana do not have 



fleshy telsons. 



