Type species: Prolixicella bifurcata Ernst & Schröder, 2007
| Ernst & Schröder, 2007 | Middle Devonian Givetian | Germany | WoRMS 1407160 | |
| Ernst, 2012 | Early-Middle Devonian | Spain | WoRMS 1407161 | |
| Ernst & Königshof, 2010 | Middle Devonian Givetian | Western Sahara | WoRMS 1407162 | |
| Ernst, 2012 | Early-Middle Devonian | Spain | WoRMS 1407163 |