| Gorgonichthys | |
|---|---|
 | |
| Reconstruction of Gorgonichthys clarki | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Clade: | †Eubrachythoraci |
| Clade: | †Pachyosteomorphi |
| Clade: | †Aspinothoracidi |
| Genus: | †Gorgonichthys Claypole, 1892 |
| Species | |
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Gorgonichthys isextinctmonospecificgenus of largearthrodireplacoderm. Fossils are found in the UpperFamennianCleveland Shales ofLate Devonian inOhio. Thetype species isGorgonichthys clarki.
Gorgonichthys had sharp, pointed edges on the dental plates of the upper and lower jaws.[1] With a headshield length of up to 70 cm (28 in),[2] it is estimated to have been comparable to the size ofDunkleosteus.[3]
Gorgonichthys is a member of thecladeAspinothoracidi, which belongs to the cladePachyosteomorphi, one of the two major clades withinEubrachythoraci. It is closely related to thefamilySelenosteidae, and could possibly be included in that family. Thecladogram below shows thephylogeny ofGorgonichthys:[4]
According to a 2022 Jobbinset al. study,Gorgonichthys was found to be more related toHeintzichthys thanGymnotrachelus, potentially makingGorgonichthys a member ofSelenosteidae.[5]
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