Carinosquilla Manning 1968

KEY TO SPECIES OF CARINOSQUILLA MANNING, 1968

1. Eyestalk with irregular dorsal carinae.......................................................................... 4

— Eyestalk without dorsal carinae................................................................................... 2

2. Dorsal carinae on either side of midline of TS5 transverse. Inner margin of uropodal protopod spinose........................................................................................................ 3

— Dorsal carinae on either side of midline of TS5 longitudinal or oblique, not transverse. Inner margin of uropodal protopod crenulate................................................. C. lirata 3. Mandibular palp present. Telson prelateral lobe with sharp apex......... C. multicarinata

— Mandibular palp absent. Telson prelateral lobe with blunt apex...................... C. carita

4. Ocular scales with bifurcate apices.............................................................................. 5

— Ocular scales with apices entire, not bifurcate............................................................ 7

5. Posterior margin of AS 1-4 between submedian carinae lined with spines...... C. spinosa

— Posterior margin of AS 1-4 between submedian carinae unarmed................................ 6

6. AS 1-2 with unarmed submedian and intermediate carinae........................... C. redacta

— AS 1-2 with armed submedian and intermediate carinae.............................. C. carinata

7. Merus of raptorial claw with single longitudinal carina on outer margin.................... 8

— Merus of raptorial claw with vermiform sculpture on outer margin............................ 9

8. AS 6 without posteriorly armed supplementary carinae between submedian and intermediate carinae. Distal segment of uropodal exopod entirely dark............. C. australiensis

— AS 6 with one or two posteriorly armed supplementary carinae between submedian and intermediate carinae. Uropodal exopod distal segment dark on proximal third................................................................................................................................. C. balicasag

9. Dactylus of raptorial claw with five teeth. Dorsal carinae of AS 6 and telson entire, not forming field of spines.......................................................................... C. thailandensis

— Dactylus of raptorial claw with six or seven teeth. Dorsolateral carinae of AS 6 and telson divided, forming field of spines.................................................. C. mclaughlinae n. sp.