Pariphinotus, Kunkel, 1910

Senna, André R., Guedes, Urssula N., Andrade, Luiz F. & Pereira-Filho, Guilherme H., 2021, Lamprochernes nodosus, Zoological Studies (Zool. Stud.) 60 (57), pp. 1-12 : 9

Key to world species of Pariphinotus

1. Rostrum elongate and apically truncate ..................................... 2

- Rostrum short and subtriangular ........ P. lepas ( Hirayama, 1987)

2. Uropod 2 rami with row of tubercles ......................................... 3

- Uropod 2 rami without row of tubercles .................................... 6

3. Pereopod 6 basis posterior lobe rounded .................................... 4

- Pereopod 6 basis posterior lobe subquadrate ................................ ........................................................ Pariphinotus amadoi sp. nov.

4. Pereopod 7 basis posterior lobe subrectangular ......................... 5

- Pereopod 7 basis posterior lobe rounded ....................................... ................................................................ P. seticoxa ( Ortiz, 1976)

5. Pereopod 7 basis posterior margin with slight distal indentation .. ........................................... P. galapagoanus (J.L. Barnard, 1979)

- Pereopod 7 basis posterior margin without indentation ................ ............................... P. seclusus (sensu Wakabara and Leite 1977)

6. Uropod 1 rami without apical stout seta ..................................... 7

- Uropod 1 outer ramus with apical stout seta ................................. ................................................................. P. tuckeri Kunkel, 1910

7. Pereopod 5 basis posterior margin smooth .................................... ...................................................... P. seclusus ( Shoemaker, 1933)

- Pereopod 5 basis posterior margin with notches ........................... ................................................ P. escabrosus (J.L. Barnard, 1962)