Anarthraspis
| Anarthraspis Temporal range: Early Devonian,
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Genus: | †Anarthraspis Bryant, 1934 |
| Species | |
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Anarthraspis is an extinct genus of arthrodire placoderm fishes which lived during the Early Devonian period.[1][2] It contains two species described in 1932, Anarthraspis chamberlini and Anarthraspis montanus, both found in the Beartooth Butte Formation of Wyoming and Montana, USA, and assigned to the genus in 1934.[3]
The type species, Anarthraspis chamberlini, was a contemporary of the placoderm Bryantolepis. The specific epithet, chamberlini, honours British Prime Minister Neville Chamberlain.
Anarthraspis is one of the more basal members of the order Arthrodira, as shown in the cladogram below:[4]
Actinolepidoidei
Phlyctaeniina |
References
[edit]- ^ Schultze, Hans-Peter (1978). Handbook of Paleoichthyology. G. Fischer Verlag. pp. 45–47. ISBN 978-3-437-30265-7.
- ^ Camp, Charles Lewis; Taylor, David Nathaniel; Welles, Samuel Paul (1942). Bibliography of Fossil Vertebrates, 1934-1938. The Society. p. 462. ISBN 978-0-8137-2042-5.
- ^ Bryant, William L.; Ruedemann, Rudolph (Feb 1934). "The Fish Fauna of Beartooth Butte, Wyoming. Parts II and III". Proceedings of the American Philosophical Society. 73 (3): 127–167.
- ^ Dupret, V.; Zhu, M. I. N.; Wang, J. N. Q. (2009). "The morphology of Yujiangolepis liujingensis (Placodermi, Arthrodira) from the Pragian of Guangxi (south China) and its phylogenetic significance" (PDF). Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.
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