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Temporal range: Upper Famennian
Ventral plates of Gorgonichthys clarki
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Suborder: Brachythoraci
Infraorder: Coccosteina
Superfamily: Dinichthyloidea
Genus: Gorgonichthys
Species: G. clarki
Binomial name
Gorgonichthys clarki

Gorgonichthys clarki is an extinct arthrodire placoderm of the superfamily Dinichthyloidea.[1] Fossils of G. clarki are found in the Upper Famennian Cleveland Shales of Late Devonian Ohio. G. clarki is estimated to have reached 6 meters in length. However it still may not have been as heavily built as its contemporary Dunkleosteus.[2]



  1. ^ Carr, R. K.; Hlavin, W. J. (1995). "Dinichthyidae (Placodermi):A paleontological fiction?". Geobios. 28: 85. doi:10.1016/S0016-6995(95)80092-1. 
  2. ^ http://www.palaeos.org/Gorgonichthys