Palaemon argentinus ( Nobili, 1901 )

Carvalho, Fabrício L., Magalhães, Célio & Mantelatto, Fernando L., 2019, A molecular and morphological approach on the taxonomic status of the Brazilian species of Palaemon (Decapoda, Palaemonidae), Zoologica Scripta 49 (1), pp. 1-16 : 7

3.2.1 | Palaemon argentinus ( Nobili, 1901) —

Figures 4a, 5e,g and 6a

Mandibular palp absent. Branchiostegal spine next to branchiostegal suture. Fifth thoracic sternite with median acute projection present in adult males. Appendix masculina slender and slightly curved, up to 1.6 times length of appendix interna; row of setae extends almost to entire length of anterior face of appendix masculina; additional setae on proximal third. Inner pair of stout setae of distal margin of telson about 2.8 times length of outer pair.