Conchodus
Conchodus is an extinct genus of marine lungfish which lived during the Devonian period.
The following species are known:
- †C. elkneri Gorisdro-Kulczycka, 1950 - Late Devonian of Poland
- †C. excessus Krupina, 1990 - Late Devonian of Oryol, Russia
- †C. jerofejewi - Late Devonian of Leningrad, Russia
- †C. ostreaformis McCoy, 1848 - Devonian of Scotland
- †C. parvulus Bryant ex Bryant & Johnson, 1936 - Famennian of Colorado, USA
- †C. pinguiculus Krupina, 1990 - Devonian of Russia
- †C. variabilis Eastman, 1908 - Late Devonian of Iowa and Missouri, USA