affinis, Achirus Steindachner [F.] 1915:346 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 52 (no. 27); ref. 20500] Rio Itacupim and Rio Janeiro, Brazil. Syntypes: (5) NMW. Species illustrated and described in more detail in Steindachner 1915:573, Pls. 2-3 [ref. 15070]. •Synonym of Trinectes paulistanus (Miranda Ribeiro 1915). Current status: Synonym of Trinectes paulistanus (Miranda Ribeiro 1915). Achiridae. Habitat: freshwater, brackish, marine.