Phycomenes Bruce, 2008

Bruce, A. J., 2010, Additions to the genus Phycomenes Bruce, 2008 (Crustacea: Decapoda: Pontoniinae) *, Zootaxa 2372 (1), pp. 367-368 : 368

Key to the Species of Phycomenes Bruce, 2008

1. Third maxilliped with ischiomerus laterally non-spinose............................................................................................. 4

– Third maxilliped with ischiomerus laterally strongly spinose...................................................................................... 2

2. Telson with 2 pairs of dorsal spines, abdominal tergites non-sulcate............................................... P.indicus (Kemp)

– Telson with 4–7 pairs of dorsal spines, first to third abdominal tergites transversely sulcate........................................ .............................................................................................................................. P. sulcatus (Ď uriš, Horká & Marin)

3. Rostrum without ventral teeth, eyestalk with distodorsal tubercle, R 1+7/0............. P. cobourgi (Bruce & Coombes)

– Rostrum with ventral teeth, eyestalk without distodorsal tubercle............................................................................... 4

4 Rostrum generally exceeding antennular peduncle, fourth thoracic sternite with subacute median process, R 1+5–7/ 1–2(3)............................................................................................................................................. P. zostericola Bruce

– Rostrum not exceeding antennular peduncle, dorsal carina more strongly elevated, fourth thoracic sternite with blunt median process, R 1+4–8/1–2............................................. P. siankaanensis (Martines-Mayén & Román-Contreras)