Rahul Sharma (Editor)

Diplognathus

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Kingdom
  
Class
  
Placodermi

Infraorder
  
Phylum
  
Chordata

Order
  
Subphylum
  
Vertebrata

Suborder
  
Superfamily
  
Rank
  
Genus

Diplognathus httpsuploadwikimediaorgwikipediacommonsthu

Similar
  
Belemnacanthus, Aleosteus, Neophlyctaenius, Melanosteus, Arenipiscis

Diplognathus is a genus of arthrodire placoderm from the Late Famennian Cleveland Shales of Late Devonian Ohio, known only from incomplete fragments of jaws and skulls. What fragments are known suggest that the living animals were large-eyed piscivores with weak, but widely gaping jaws. D. mirabilis is thought to be fairly large, with infragnathals up to 45 centimeters in length. The second species, D. larfargei, was much smaller, with inferognathals averaging about 4 centimeters in length.

In 1967, Obruchev placed this genus within Hadrosteidae, on the basis of how the two genera have similar denticle ("teeth") patterns of the inferognathals, though, Denison (1978) contests this placement, preferring to leave the taxon as arthrodira incertae sedis.

References

Diplognathus Wikipedia


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