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Holoptychius
Extinct genus of fishes / From Wikipedia, the free encyclopedia
Holoptychius (from Greek: όλος holos, 'whole' and Greek: πτυχή ptyche 'fold')[1] is an extinct genus of porolepiform lobe-finned fish from the Middle Devonian to Carboniferous (Mississippian) periods. It is known from fossils worldwide. The genus was first described by Louis Agassiz in 1839.[2]
Quick Facts Scientific classification, Type species ...
Holoptychius | |
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Fossil of H. quebecensis in the Field Museum of Natural History, Chicago | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Sarcopterygii |
Class: | Porolepimorpha |
Order: | †Porolepiformes |
Family: | †Holoptychiidae |
Genus: | †Holoptychius Agassiz 1839 |
Type species | |
Holoptychius nobilissimus | |
Species | |
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