''Pterygolepis'' is an extinct genus of jawless fish belonging to the order
Birkeniiformes
Anaspida ("shieldless ones") is an extinct group of jawless fish that existed from the early Silurian period to the late Devonian period. They were classically regarded as the ancestors of lampreys, but it is denied in recent phylogenetic analy ...
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File:Pterygolepis nitidus Tuebingen.jpg, Fossil of ''Pterygolepis nitidus'', an extinct fish. Took the picture at Museum of Paleontology, Tübingen
File:Pterygolepis.jpeg, ''Pterygolepis nitidus'' from Lower Silurian of Norway
References
External links
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Birkeniiformes
Silurian fish of Europe
Silurian jawless fish
Fossil taxa described in 1920
Birkeniiformes genera
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