Cosmacanthus

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]

Names brought to synonymy

Cosmacanthus
Temporal range: Late Devonian, 360.7–358.9 Ma
↓
Fossil of Cosmacanthus semistiatus - picture taken at Natural History Museum, Bonn University
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
†Placodermi
Order:
†Arthrodiriformes
Suborder:
†Phlyctaeniida
Infraorder:
†Phlyctaeniina
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

See also

References
  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


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