Anarthraspis

<i>Anarthraspis</i>

Anarthraspis

Extinct genus of placoderm fishes

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]

Quick Facts Scientific classification, Species ...

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]

Lunaspis broilii

Eurycaraspis incilis

Arthrodira
Actinolepidoidei
Phlyctaeniina

References

  1. [1]
    Schultze, Hans-Peter (1978). Handbook of Paleoichthyology. G. Fischer Verlag. pp. 45–47. ISBN 978-3-437-30265-7.
  2. [2]
    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.
  3. [3]
    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.
  4. [4]
    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". Zoological Journal of the Linnean Society. 157: 70. doi:10.1111/j.1096-3642.2009.00519.x.


Stub icon

This article about a placoderm is a stub. You can help Wikipedia by expanding it.
Share this article:

This article uses material from the Wikipedia article Anarthraspis, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.