Platorchestiinae, Lowry & Myers, 2022

publication ID	https://doi.org/ 10.11646/zootaxa.5100.1.1
publication LSID	lsid:zoobank.org:pub:F42DAC62-0E30-442E-A375-87FC02B2CC99
DOI	https://doi.org/10.5281/zenodo.6312389
persistent identifier	https://treatment.plazi.org/id/03A487D2-957D-0868-E0F1-FD92EDC9FA7D
treatment provided by	Plazi
scientific name	Platorchestiinae
status	subfam. nov.

Key to genera of Platorchestiinae View in CoL (Adult Males)

1. Gnathopod 1 dactylus cuspidactylate...................................................................... 2

- Gnathopod 1 dactylus simplidactylate..................................................................... 3

2. Uropod 1 peduncle with distolateral robust seta absent.............................................. Platorchestia View in CoL

- Uropod 1 peduncle with distolateral robust seta present............................................. Tethorchestia View in CoL

3. Antenna 2 distinctly incrassate........................................................................... 4

- Antenna 2 slender or only slightly incrassate................................................................ 7

4. Uropod 1 endopod with marginal setae in one row........................................................... 5

- Uropod 1 endopod with marginal setae in two rows.......................................................... 6

5. Gnathopod 1, 2 propodus palm transverse................................................. Cocorchestia View in CoL gen. nov.

- Gnathopod 1, 2 propodus palm acute......................................................... Mauritiorchestia View in CoL

6. Gnathopod 2 propodus palm rounded distally or sigmoidal................................. Demaorchestia View in CoL gen.nov.

- Gnathopod 2 propodus palm evenly rounded............................................. Insularorchestia View in CoL gen. nov.

7. Pereopod 4 dactylus thickened proximally, with notch midway along posterior margin................................8

- Pereopod 4 dactylus not thickened proximally nor with notch on posterior margin.................................. 10

8. Pereopod 7 propodus without distal tuft of setae............................................................. 9

- Pereopod 7 propodus with distal tuft of setae..................................................... Mexorchestia View in CoL

9 Uropod 1 endopod with marginal robust setae in two rows............................................ Miyamotoia View in CoL

- Uropod 1 endopod with marginal robust setae in one row............................................... Chroestia View in CoL

10. Gnathopod 2 dactylus blunt distally...................................................................... 11

- Gnathopod 2 dactylus attenuated or acute distally........................................................... 12

11. Gnathopod 2 propodus palm transverse......................................................... Cariborchestia View in CoL

- Gnathopod 2 propodus palm acute.............................................................. Pickorchestia View in CoL

12 Uropod 1 peduncle, distolateral robust seta present.......................................................... 13

- Uropod 1 peduncle, distolateral robust seta absent.......................................................... 14

13. Pereopod 6 incrassate......................................................................... Vallorchestia View in CoL

- Pereopod 6 not incrassate.................................................................... Yamatorchestia View in CoL

14 Telson rounded distally, maxillipedal palp slender................................................ Laniporchestia View in CoL

- Telson tapering distally, maxillipedal palp broad....................................................... Morinoia View in CoL