Dipterus
Sign in to saveDipterus (from , 'two' and 'wing') is an extinct genus of freshwater lungfish from the middle Devonian period of Europe and potentially North America. The genus was established by Adam Sedgwick & Roderick Murchison in the year 1828. It was one of the first lungfish to be described by science. thumb|left|Restoration thumb|left|Illustration of Dipterus valenciennesiIn most respects, Dipterus, which was about long, closely resembled modern lungfish. Like its ancestor Dipnorhynchus, it had tooth-like plates on its palate instead of real teeth. However, unlike its modern relatives, in which the do
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Dipterus (from , 'two' and 'wing') is an extinct genus of freshwater lungfish from the middle Devonian period of Europe and potentially North America. The genus was established by Adam Sedgwick & Roderick Murchison in the year 1828. It was one of the first lungfish to be described by science. thumb|left|Restoration thumb|left|Illustration of Dipterus valenciennesiIn most respects, Dipterus, which was about long, closely resembled modern lungfish. Like its ancestor Dipnorhynchus, it had tooth-like plates on its palate instead of real teeth. However, unlike its modern relatives, in which the dorsal, caudal, and anal fin are fused into one, Dipteruss fins were still separated.
The following species are known: D. macropterus Traquair, 1888 - Lower Old Red Sandstone of Scotland ?D. marginalis (Agassiz, 1845) - Devonian of Leningrad Oblast, Russia ?D. radiatus (Eichwald, 1844) - Devonian of Leningrad Oblast, Russia ?D. serratus (Eichwald, 1844) - Eifelian of Latvia, Estonia, and Leningrad, Russia D. valenciennesi''''' Sedgwick & Murchison, 1828 (type species) - Lower Old Red Sandstone of Scotland, including the Orkney Isles, potentially Oberer Plattenkalk of Germany