Phrosina Risso, 1822

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 : 18

Genus Phrosina Risso, 1822

Phrosina Risso, 1822: 244 .

Dactylocera Latreille, 1829: 117 .

Type species

Phrosina semilunata Risso, 1822 . Type material could not be found in any major European or north American museum and is considered lost.

Diagnosis

Body length up to 30 mm for females; males usually smaller; average size about 8 mm. Head produced into two sharp, triangular, rostral points. Pereonites 1 & 2 fused. Pereopods 3 & 4 subchelate, with large tooth­like carpal process. Pereopod 5 broader than any other pereopod; carpus with anterodistal margin armed with large tooth­like processes, forming folding hand with dactyl­like propodus which is longer than carpus; dactylus absent, or fused with propodus. Pereopod 6 similar to, but much smaller than, P5. Pereopod 7 reduced to broad basis and sometimes one additional, tiny article. Gills without folds.

Monotypic.