In Depth Dipterus is a genus of early lungfish that for a long time was thought only to have lived in Europe during the Devonian period. However, since another genus of fish named Catopterus became treated as a synonym to the genus, it now seems that the Dipterus existed all the way to the late … Read more
In Depth Griphognathus was an early lungfish, an identification which means that members of the genus may have been able to survive for short periods out of the water. The body is long with most of the fins being situated towards the rear, the pectoral fins being the obvious exception to this. The upper lobe … Read more
In Depth Dipnorhynchus is a genus of primitive lungfish that already shows changes from its sarcopterygian ancestry. The skull is no longer in two halves and instead, in the loosest terms, forms a box. The palate of Dipnorhynchus was fused to the skull, like in land dwelling animals, and instead of having cheek teeth, Dipnorhynchus … Read more