thessa, Solenophallus Aurich [H.] 1937:264, Figs. 1a, 3-5, 7I [Internationale Revue der Gesamten Hydrobiologie und Hydrographie, Leipzig v. 34 (no. 3/5); ref. 151] Lake Mainit, Surigao Province, northeastern Mindanao, Philippines, elevation 165 meters. Syntypes: (2) whereabouts unknown. •Valid as Neostethus thessa (Aurich 1937) -- (Parenti 1989:272 [ref. 13486], Parenti & Louie 1998:142 [ref. 23544], Parenti 1999:2148 [ref. 24784], Parenti in Randall & Lim 2000:599 [ref. 25122], Kottelat 2013:285 [ref. 32989], Parenti 2014:178 [ref. 33268], Parenti 2014:178 [ref. 33268], Jamandre 2023:161 [ref. 40455]). Current status: Valid as Neostethus thessa (Aurich 1937). Phallostethidae. Distribution: Southeast Asia: Philippines. Habitat: freshwater.