PHRONIMOIDEA, Bowman & Gruner, 1973

Zeidler, Wolfgang, 2004, A review of the families and genera of the hyperiidean amphipod superfamily Phronimoidea Bowman & Gruner, 1973 (Crustacea: Amphipoda: Hyperiidea), Zootaxa 567, pp. 1-66 : 8-9

Key to the families of the superfamily PHRONIMOIDEA

1. Pereopod 5 distinctly subchelate .................................................................................. 2

­ Pereopod 5 simple or, at most, prehensile..................................................................... 3

2. Uropods 1–3 with lanceolate exopods and endopods (although U3 sometimes reduced). Head subconical .................................................................. PHRONIMIDAE

­ Uropods 1–3 composed of simple foliaceous article. Head globular... PHROSINIDAE

3. Gnathopod 2 simple ............................................................................. DAIRELLIDAE

­ Gnathopod 2 distinctly chelate or subchelate................................................................ 4

4. Coxae fused with pereonites .......................................... LESTRIGONIDAE fam. nov.

­ Coxae free from pereonites ........................................................................................... 5

5. Pereonites 1–2 fused. Eyes small ........................................... BOUGISIDAE fam. nov.

­ Pereonites all separate. Eyes large, occupying most of head surface............................ 6

6. Pereonites 2–7 raised in tyre­like folds. Body and appendages finely hirsute. Antennae 2 of female 3­articulate or reduced to knob on cuticle. Mandible without palp in both sexes or present only in males .............................................. IULOPIDIDAE fam. nov.

­ Pereonites not raised. Body and appendages not especially hirsute. Antennae 2 of female 4­articulate. Mandible with palp in both sexes ........................... HYPERIIDAE