Simosteus

Simosteus
Temporal range: Frasnian
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Placodermi
Order:
Arthrodira
Family:
Camuropiscidae
Genus:
Simosteus
Species:
S. tuberculatus

Miles & Dennis, 1982[1]

Simosteus tuberculatus is a small arthrodire placoderm from the Gogo Formation of Western Australia. Unlike other members of the arthrodire family Camuropiscidae, S. tuberculatus had a short, snub-nose, as directly implied by the translation of its generic name, "snub-nosed bone." Although S. tuberculatus lacks the characteristic elongated nose, it shares other diagnostic features of camuropiscids, such as cheekplates sutured to the cranium.

So far, the only specimen known is of an incomplete cranium.

References

  1. ^ Dennis, K.; Miles, R. S. (1982). "A eubrachythoracid arthrodire with a snubnose from Gogo, Western Australia". Zoological Journal of the Linnean Society. 75: 153–166. doi:10.1111/j.1096-3642.1982.tb01945.x.
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Arthrodira
  • Kingdom: Animalia
  • Phylum: Chordata
  • Subphylum: Vertebrata
  • Infraphylum: Gnathostomata
  • Class: "Placodermi"
Gnathostomata
    • see Gnathostomata
Placodermi
    • see Placodermi
Arthrodira
    • see below↓
Arthrodira
Wuttagoonaspidae
Phyllolepida
Phyllolepididae
Actinolepidae
Phlyctaeniidae
Arctolepididae
Groenlandaspididae
Williamsaspididae
  • Elvaspis
  • Williamsaspis
Holonematidae
Homostiidae
Migmatocephala
Buchanosteidae
Eubrachythoraci
    • see below↓
Kudjanowiaspis

Ailuracantha dorsofelis Dicksonosteus arctirus Cartieraspis

Groenlandaspis riniensis
Coccosteomorphi
Coccosteoidea
Coccosteidae
Panxiosteidae
Incisoscutoidea
Camuropiscidae
Pachyosteomorphi
Dunkleosteoidea
Heterosteidae
Aspinothoracidi
Brachydeiridae
Selenosteidae
Coccosteus cuspidatus Dunkleosteus terrelli Titanichthys termieri
Taxon identifiers
Simosteus


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