2 literature references for Pseudaristeus speciosus (Bate, 1881):

Author: Pérez Farfante, Isabel, and Brian Kensley
Year: 1997
Title: Penaeoid and Sergestoid Shrimps and Prawns of the World: Keys and Diagnoses for the Families and Genera
Source: Mémoirs du Muséum nationale d'Histoire naturelle, tome 175
Author: Pérez Farfante, Isabel
Year: 1987
Title: Revision of the gamba prawn genus Pseudaristeus, with description of two new species (Crustacea: Decapoda: Penaeoidea)
Source: Fishery Bulletin, vol. 85, no. 2