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Lehmanosteus

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Lehmanosteus
Temporal range: Early Devonian, 419–393 Ma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Genus: Lehmanosteus
Goujet, 1984
Species
  • Lehmanosteus hyperboreus Goujet, 1984 (type)

Lehmanosteus is an extinct monospecific genus of arthrodire placoderm fish, named after French paleontologist Jean-Pierre Lehman. The type species Lehmanosteus hyperboreus was described in 1984, and was found in Early Devonian strata of the Wood Bay Formation on the island of Spitsbergen, Svalbard in Norway.[1]

It is one of the more basal members of the order Arthrodira, as shown in the cladogram below:[2]

Eurycaraspis incilis

Lunaspis broilii

Arthrodira
Actinolepidoidei
Phlyctaeniina


References

[edit]
  1. ^ Goujet, D. (1984). Les poissons placodermes du Spitzberg: Arthrodires Dolichothoraci de la Formation de Wood Bay(Dévonien inférieur). Paris: Editions Centre National Recherche Scientifique, Cahiers de Paléontologie.
  2. ^ Dupret, V.; Zhu, M. I. N.; Wang, J. N. Q. (2009). "The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance" (PDF). Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.