Scyllarid, Latreille, 1825

Key to Scyllarid View in CoL Phyllosmas from the Late to Final Stages

1. Maxilliped 3 with setose exopod Palinuridae (Stridentes) 1

— Maxilliped 3 without setose exopod 2

2. Antenna cylindrical, longer than antennule Palinuridae (Silentes) 2

— Antenna dorsoventrally compressed, shorter than antennule 3 ( Scyllaridae )

3. Cephalic shield bilobed reniform with dorsal carinae and spines Ibacus Leach, 1815

— Cephalic shield rounded ellipsoid, without dorsal ornaments 4

4. Pleon width more than half of thorax 5

— Pleon width less than half of thorax 6

5. Cephalic shield circular or wider than long; telson with posterolateral spines Scyllarinae

— Cephalic shield bilobed; telson without posterolateral spines Theninae

6. Pereiopod with subexopodal spine Evibacus Smith, 1869

— Pereiopod without subexopodal spine 7

7. Cephalic shield narrower than thorax Arctides Holthuis, 1960

— Cephalic shield slightly or notably wider than thorax 8

8. Pereiopod 5 without setose exopod Scyllarides Gill, 1898 (in part) 3

— Pereiopod 5 with setose exopod 9

9. Antenna unsegmented or two-segmented; dactylus of pereiopod 4 long Parribacus Dana, 1852

— Antenna more than three-segmented; dactylus of pereiopod 4 short Scyllarides (in part) 4