Key to species of genus Goreopagurus

1. Terminal margin of telson not oblique; posterior lobes separated by shallow median cleft. Gill lamellae distally biserial or quadriserial..................................................................................................................... 2

- Terminal margin of telson oblique; posterior lobes separated by shallow or deep median cleft. Gill lamel- lae distally biserial ....................................................................................................................................... 3

2. Male sexual tubes present. Gill lamellae distally biserial ............................................................... G. piercei

- Male sexual tubes absent. Gill lamellae distally quadriserial .......................................................... G. poorei

3. Male sexual tubes present. Posterior lobes of telson separated by shallow median cleft................ G. garthi

- Male sexual tubes absent. Posterior lobes of telson separated by deep median cleft ........ G. lemaitrei n. sp.