Trematosteus

Trematosteus
Temporal range: Late Devonian: Frasnian, 382.7–372.2 Ma
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: †Placodermi
Order: †Arthrodira
Suborder: †Brachythoraci
Clade: †Eubrachythoraci
Clade: †Coccosteomorphi
Superfamily: †Incisoscutoidea
Genus: †Trematosteus
Gross, 1932
Species
  • Trematosteus fontanellus Stensiö, 1963

Trematosteus is an extinct monospecific genus of arthrodire placoderm from the Late Frasnian stage of the Late Devonian period. Fossils are found from Bad Wildungen, Germany.

Phylogeny

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

Eubrachythoraci

References

  1. 1 2 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". Zoological Journal of the Linnean Society. 176 (4): 806–834. doi:10.1111/zoj.12356. ISSN 0024-4082.