Arctolepis
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

References

Placoderm genera
Placoderms of Europe
Early Devonian fish
Devonian placoderms
Phlyctaeniidae
Fossils of Norway
Fossils of the United States