Cosmacanthus is an extinct genus of placoderms in the extinct family Groenlandaspididae that lived during the Late Devonian in Ireland, the UK, Russia and North America.[1] It was named by Louis Agassiz in 1845.[2]

Cosmacanthus
Temporal range: Late Devonian, 360.7–358.9 Ma
Fossil of Cosmacanthus semistiatus - picture taken at Natural History Museum, Bonn University
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Placodermi
Order: Arthrodira
Family: Groenlandaspididae
Genus: Cosmacanthus
Agassiz, 1845
Species
  • C. bullatus (Saint John & Worthen, 1875) Hay, 1902
  • C. carinatus Davis, 1883
  • C. malcolmsoni (Agassiz, 1844)
  • C. marginalis Davis, 1883
  • C. priscus (Mcoy, 1848)
  • C. sellatus (Saint John & Worthen, 1875 (Hay, 1902)
  • C. semistriatus
Synonyms
  • Geisacanthus bullatus Satint John & Worthen, 1875
  • Geisacanthus stellatus Satint John & Worthen, 1875
Names brought to synonymy

See also

edit

References

edit
  1. ^ O. P. Hay. 1902. Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey 179:1-868
  2. ^ Monographie des poissons fossiles du vieux grés rouge: ou système Dévonien (Old red sandstone) des Iles Britanniques et de Russie. L Agassiz, 1845
edit
  • "Cosmacanthus" at the Encyclopedia of Life
  • "Cosmacanthus". Paleobiology Database.