Paramylostoma

Paramylostoma
Temporal range: Late Famennian[1]
Artist's reconstruction
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Family: Selenosteidae
Genus: Paramylostoma
Species:
P. arcualis
Binomial name
Paramylostoma arcualis
Dunkle & Bungart 1945

Paramylostoma arcualis is an extinct selenosteid arthrodire placoderm from the Late Famennian Cleveland Shale of Late Devonian Ohio. It has a compressed, box-like head and thoracic armor, and large, rounded orbits. However, in comparison with other selenosteids, such as Selenosteus, P. arcualis' orbits were rather small. P. arcualis had smooth jaws that suggest the animal was durophagous.

References

  1. ^ Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. p. 97. ISBN 9780895740274.
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Arthrodira
Gnathostomata
    • see Gnathostomata
Placodermi
    • see Placodermi
Arthrodira
    • see below↓
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
Paramylostoma


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