Harrytoombsia Explained

Harrytoombsia is an extinct genus of arthrodire placoderm from the Early Frasnian stage of the Late Devonian period. Fossils are found from Kimberley, Australia.[1] It was a fast-swimming predator, and it had sharp blades of enamel-like material around the outer edge of the jaw for catching prey.[2]

Phylogeny

Harrytoombsia is a member of the superfamily Incisoscutoidea, which belongs to the clade Coccosteomorphi,[3] one of the two major clades within Eubrachythoraci. The cladogram below shows the phylogeny of Harrytoombsia:[1]

Notes and References

  1. Zhu . You-An . Zhu . Min . Wang . Jun-Qing . 1 April 2016 . Redescription of Yinostius major (Arthrodira: Heterostiidae) from the Lower Devonian of China, and the interrelationships of Brachythoraci . . 176 . 4 . 806–834 . 10.1111/zoj.12356. 0024-4082 . free .
  2. Web site: Visar vilket djur 1 - NyaUtställningar. utstallning.nrm.se.
  3. You-An Zhu . Min Zhu . A redescription of Kiangyousteus yohii (Arthrodira: Eubrachythoraci) from the Middle Devonian of China, with remarks on the systematics of the Eubrachythoraci . . 169 . 4 . 798–819 . 2013 . 10.1111/zoj12089 .

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