Philyra, LEACH, 1817

Galil, Bella S., 2009, An examination of the genus Philyra Leach, 1817 (Crustacea, Decapoda, Leucosiidae) with descriptions of seven new genera and six new species, Zoosystema 31 (2), pp. 279-320 : 313-315

KEY TO SPECIES OF PHILYRA LEACH, 1817 , AND GENERA AND SPECIES FORMERLY INCLUDED THEREIN

1. Two proximalmost abdominal segments of male articulate ......................................... 2

— Only first abdominal segment of male articulate ......................................................... 7

2. Third-5th abdominal segments of male fused, 6th segment articulate; first male pleopod distally crook-shaped ......................................................... Afrophila punctata n. comb.

— Third-6th abdominal segments of male fused; first male pleopod otherwise ................ 3

3. Two proximalmost abdominal segments of male alike; shaft of first male pleopod plain, uncoiled ..................................................................................................................... 4

— First abdominal segment of male transversely narrow, second segment spindle-shaped; shaft of first male pleopod coiled twice on itself, apical process digitate ......................... ................................................................................. Atlantolocia laevidorsalis n. comb. 4. Carapace pear-shaped, globose; epistome and lower margin of hepatic facet not projecting; external maxiliped exopod subquadrate; two proximalmost abdominal segments of male transversely narrow; apical process of first male pleopod subterminally alate ... Philyra 5

— Carapace discoidal; epistome and lower margin of hepatic facet projecting in advance of front; external maxiliped exopod reniform; two proximalmost abdominal segments of male laterally swollen; apical process of first male pleopod slim, tubular ...... Ryphila n. gen. 6

5. Carapace and chelipeds finely granulate; lower margin of first pereiopodal propodus in male bicarinate; lateral and distal margins of alate process of first male pleopod cirrate ........................................................................................................................ P. globus

— Carapace and chelipeds prominently granulate; lower margin of first pereiopodal propodus in male unicarinate; lateral margin of alate process of first male pleopod cirrate ............ ............................................................................................................... P. samia n. sp.

6. Dorsal surface of carapace anteriorly not granulate; cheliped merus 1.3 as long as carapace in male; apical process of fiest male pleopod filiform .................... R. cancellus n. comb.

— Dorsal surface of carapace entirely granulate; cheliped merus 0.8 as long as carapace in male; apical process of first male pleopod slender tubule ............. R. verrucosa n. comb.

7. First abdominal segment of male transversely narrow; shaft of first male pleopod coiled thrice on itself, apical process digitate enveloped in setose muff ..................................... ........................................................................................ Atlantophila cristata n. comb.

— First abdominal segment of male transversely yoke-shaped; first male pleopod plain, uncoiled ..................................................................................................................... 8

8. Second-6th abdominal segments of male bearing abdominal denticle ... Lyphira n. gen. 9

— Second-6th abdominal segments of male lacking abdominal denticle ....................... 12

9. Apical process of male first pleopod digitate, tubular ................................................ 10

— Apical process of male first pleopold flattened, squat ................................................ 11

10. Outer maxiliped exopod expanded, ovate; inner angles of afferent branchial canals produced; prominent carapacial granulation ................................................... Lyphira ovata n. sp.

— Outer maxiliped exopod narrow lozenge; inner angles of afferent branchial canals not produced; carapace bearing minute granulation dorsally ... Lyphira heterograna n. comb.

11. Cheliped merus longer than carapace in male ........................... Lyphira natalensis n. sp.

— Cheliped merus shorter than carapace in male ............................ Lyphira perplexa n. sp.

12. Apical process of first male pleopod tubular; cheliped merus shorter than carapace in male; lacking thick fringe of setae on pollex ............................................... Pyrhila n. gen. 13

— Apical process of first male pleopod minute; cheliped merus longer than carapace in male; thick fringe of setae on inner margin of pollex .................................. Hiplyra n. gen. 15

13. Male carapacial posterior margin bearing dorsoventrally flattened denticles laterally ...... ......................................................................................... Pyrhila biprotubera n. comb.

— Male carapacial posterior margin lacking dorsoventrally flattened denticles laterally ... 14

14. Dorsal surface of carapace bearing line of prominent granules medially; outer maxilliped exopod bearing line of prominent granules vertically; apical process of male first pleopold spatulate ................................................................................ Pyrhila carinata n. comb.

— Dorsal surface of carapace bearing aggregates of granules medially; outer maxilliped exopod distally granulate; apical process of male first pleopold filiform, bent distad ...... ................................................................................................. Pyrhila pisum n. comb. 15. Distal margins of fused male abdominal segments 2-6 carinate .... Hiplyra sagitta n. sp.

— Distal margins of fused male abdominal segments 2-6 not carinate .......................... 16

16. Distal margin of fused abdominal segment in male bearing perpendicular rounded lobe .............................................................................................. Hiplyra michellinae n. sp.

— Distal margin of fused male abdominal segments plain ............................................ 17

17. Hepatic margin punctuate, pollex bearing triangular blade distally ................................ ........................................................................................... Hiplyra platycheir n. comb.

— Hepatic margin granulate, pollex bearing 2 triangular denticles distally .................... 18

18. Male telson proximally swollen, slightly concave medially ...... Hiplyra elegans n. comb.

— Male telson plain ...................................................................................................... 19

19. Hepatic region distinctly tumescent; branchio-cardiac grooves shallow; epimeral surface smooth ................................................................................ Hiplyra variegata n. comb.

— Hepatic region slightly tumescent; branchio-cardiac grooves deeply-cut; epimeral surface minutely granulate ............................................................ Hiplyra longimana n. comb.