Dipnorhynchidae
Dipnorhynchidae is an extinct family of prehistoric lungfishes which lived during the Devonian period. Phylogeny
 Sarcopterygii (Class)
 Dipnoi (Subclass)
 Dipnorhynchidae (Family)
 Dipnorhynchus (Genus)
 Ganorhynchus (Genus)
 "Speonesydrion" (Genus)

References 

Prehistoric lobe-finned fish families
Prehistoric lungfish
Devonian bony fish
Devonian first appearances
Devonian extinctions