Type species: Isostylus abelgasensis Ernst, Dorsch & Keller, 2011
This genus includes the species:
Ernst, Dorsch & Keller, 2011 | Devonian Emsian-Eifelian | Spain | WoRMS 1404290 | |
Ernst, Tolokonnikova & Denayer, 2015 | Late Devonian Frasnian | Belgium | WoRMS 1404291 | |
Ernst, Königshof, Taylor & Bohatý 2011 | Middle Devonian Eifelian | Germany | WoRMS 1404292 |