"Actinopterygii" . . "Etheostoma" . . "Wall and Williams 1974" . . . . . "Slackwater darter" . "Percidae" . "Etheostoma boschungi Wall and Williams 1974" . . . . . . . . "Etheostoma boschungi" . "Chordata" . . "Animalia" . "Perciformes" .