Paraleptognathia Kudinova-Pasternak 1981

Key to neuters and non­ovigerous females (four articles on antennule) of Paraleptognathia

1 Cheliped dactylus with crenulation............................................................................ 2

­ Cheliped dactylus smooth.......................................................................................... 7

2 Cheliped propodus with lateral crenulation............................................................... 3

­ Cheliped propodus smooth......................................................................................... 5

3 Carpal shield of cheliped with crenulation................................................................ 4

­ Carpal shield of cheliped smooth.................................. P. australis (Beddard, 1886).

4 Carpus of P2 with spinules, propodus of P4 to P6 with dorsal row of spinules, labium and labrum naked................................................... P. multiserratoides n. sp.

­ Carpus of P2 smooth, propodus of P4 to P6 smooth, labium and labrum with setules .................................................................................... P. multiserrata (Hansen, 1913).

5 Merus of P1 with two spiniform setae................. P. bisetulosa Dojiri & Sieg, 1997.

­ Merus of P1 with one spiniform seta........................................................................ 6

6 Carpus of P2 with spinules and 3 spiniform setae, P5 and P6 with spinules on carpus and propodus..................................................................... P. gracilis (Krøyer, 1842).

­ Carpus of P2 smooth with two spiniform setae, P5 and P6 carpus and propodus smooth ................................................................................... P. antarctica (Vanhöffen, 1914).

7 Propodus of P1 smooth.............................................................................................. 8

­ Propodus of P1 with ventral row of spinules.......................................................... 10

8 Carpal shield oval shaped and very prominent, propodus of P4 to P6 with two terminal spiniform setae...................................................... P. brachiata (Hansen, 1913).

­ Carpal shield rounded, propodus of P4 to P6 with four terminal spiniform setae..... 9

9 Carpus of P5 and P6 with three spiniform setae.................. P. alba (Hansen, 1913).

­ Carpus of P5 and P6 with four spiniform setae............... P. inermis (Hansen, 1913).

10 Carpal shield small or absent, chela slender, three times as long as broad....................................................................................................................... P. tenuichela n. sp.

­ Carpal shield well developed; chela about two times as long as broad................... 11

11 Merus of P1 to P3 with spinules.............................................................................. 12

­ Merus of P1 to P3 smooth........................................................................................13

12 P5 carpus with three spiniform setae.............................................. P. benguela n. sp.

­ P5 carpus with four spiniform setae.................. P. typica Kudinova­Pasternak, 1981.

13 Carpus of P1 and P2 with spinules................ P. bacescui Kudinova­Pasternak, 1985.

­ Carpus of P1 and P2 smooth.................................................................................... 14

14 Cheliped carpus long, twice as long as broad, carpal shield not very prominent........ ........................................................................................................... P. fastuosa n. sp.

­ Cheliped carpus about 1.5 times longer than broad, carpal shield prominent......... 15

15 Carpal shield rounded, very prominent; carpus of P3 with three spiniform setae.............................................................................................. P. weddellensis (Sieg, 1986)

­ Carpal shield not as above, carpus of P3 with two spiniform setae.................................................................................................................. P. longiremis (Hansen, 1913)