↑Portunus anceps, [w:] Integrated Taxonomic Information System(ang.).
↑Fernando L. Mantelatto, Rafael Robles, Christoph D. Schubart, Darryl L. Felder:Molecular Phylogeny of the Genus Cronius Stimpson, I860, with Reassignment of C. tumidulus and Several American Species of Portunus to the Genus Achelous De Haan, 1833 (Brachyura: Portunidae). W:Joel W. Martin, Keith A. Crandall, Darryl L. Felder:Decapod Crustacean Phylogenetics.Boca Raton:CRC Press, Taylor & Francis Group,2009,s.575. ISBN978-1-4200-9258-5.(ang.).