Key to genera of Floresorchestiinae

1. Gnathopod I palmate lobes present only on carpus and propodus........................................... Gazia

- Gnathopod I palmate lobes present on carpus, propodus, and merus............................................. 2

2. Uropod I outer ramus margin in an adult male with large mid-medial robust spine with a modified (sponge-like) tip................................................................................................ Austropacifica

- Uropod I outer ramus margin in an adult male if with large mid-medial robust spine, with an unmodified (sponge-like) tip.......................................................................................... Floresorchestia