Heintzosteus is an extinct genus of placoderm arthrodire fish,[1] which lived during the Late Devonian period in Spitsbergen, Norway.[citation needed]
| Heintzosteus Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Clade: | †Phlyctaenioidei |
| Family: | †Arctolepididae |
| Genus: | †Heintzosteus Goujet, 1984 |
| Type species | |
| †Heintzosteus brevis (Heintz, 1929)
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| Synonyms | |
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Within Arthrodira, Heintzosteus is considered a member of "Phylctaenii", a paraphyletic grouping within the clade Phlyctaenioidei, basal to the suborder Brachythoraci. Heintzosteus is most closely related to Arctolepis and Dicksonosteus.[2]
References
edit- ^ "Heintzosteus brevis (HEINTZ, 1929)". science.mnhn.fr. Retrieved 2019-06-25.
- ^ 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". Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.
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