Synonyma
Varicogobio Lin, 1931 ― Varicogobio kaa Lin, 1931
Vietnamia Nguyen, Ngô & Nguyen, 2016 ― Vietnamia remtua Nguyen, Ngô & Nguyen, 2016
Typový druh
Ptychidio jordani Myers, 1930.
Původní popis
Myers G. S. 1930. Ptychidio jordani, an unusual new cyprinoid fish from Formosa. Copeia 1930 (no. 4). 110-113.