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About: Porolepiformes     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:Fish, within Data Space : dbpedia.org associated with source document(s)

Type: eukaryoteumbel-rc:Fish New Facet based on Instances of this Class

Porolepiformes is an order of prehistoric lobe-finned fish which lived during the Devonian period (about 416 to 359 million years ago). The group contains two families: Holoptychiidae and . Porolepiformes was established by the Swedish paleontologist Erik Jarvik, and were thought to have given rise to the salamanders and caecilians independently of the other tetrapods. He based this conclusion on the shapes of the snouts of the aforementioned groups. This view is no longer in favour in Paleontology. More recent evidence has shown that at least one genus Laccognathus was most likely amphibious.