Paraleptognathia, Kudinova-Pasternak, 1981

Guerrero-Kommritz, Jürgen, 2004, A revision of the genus Paraleptognathia Kudinova-Pasternak, 1981 (Crustacea: Tanaidacea) and description of four new species, Zootaxa 481 (1), pp. 1-63 : 62-63

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)