1. Pleopod endopod with about six setae on inner margin; lacinia mobilis of left mandible well developed 2
- Pleopod endopod with two to four setae on inner margin; lacinia mobilis of left mandible reduced to peglike structure...............................................................................................................................................3
2. Uropod with six normal articles and one reduced article in mature individuals; lacinia mobilis of left mandible acutely-pointed .............................................................................. Zeuxoides lauriebourqueae n. sp.
- Uropod with five normal articles and one reduced article in mature individuals; lacinia mobilis of left mandible broad.............................................................................................................................................. ... Zeuxoides pseudolitoralis Sieg (subantarctic species known from Heard Island, Edgar & Burton 2000)
3. Six uropod articles in mature individuals........................................................... Zeuxoides mawbeyi n. sp.
- Seven uropod articles in mature individuals.............................................................................................. 4
4. Female antennule with five or six aesthetascs, male with about twelve; pereopod coxa with three projecting setae ..................................................................................................................... Zeuxoides lasti n. sp.
- Female antennule with four aesthetascs, male with six; pereopod coxa with five projecting setae.............. ...................................................................................................................... Zeuxoides casanunda Bamber