Arctolepis is an extinct genus of placoderm arthrodire fish which lived during the Early Devonian period (408 – 307 million years ago). Fossils of Arctolepis have been found in what is now Norway and Michigan.
Classification Within Arthrodira, Arctolepis is considered a member of "Phylctaenii", a paraphyletic grouping within the clade Phlyctaenioidei, basal to the suborder Brachythoraci. Arctolepis is most closely related to Heintzosteus and Dicksonosteus.
Arctolepis contains the following six species: Arctolepis brevis Heintz, 1929 Arctolepis decipiens Woodward, 1891 Arctolepis lata Heintz, 1929 Arctolepis lewini Heintz, 1929 Arctolepis longicornis Heintz, 1929 Arctolepis solnoerdali Heintz, 1929
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