Zenaspididae

Zenaspididae

Zenaspididae

Extinct family of jawless fishes

Zenaspididae is an extinct family of jawless fish in the order Zenaspida.[1][2]

Diademaspis mackenziensis cast. Early Devonian, Mackenzie Mountains, Northwest Territories (Canada). At the Royal Tyrrell Museum of Palaeontology.

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References

  1. [1]
    A new species of osteostracan from the Lochkovian (Early Devonian) of the Mackenzie Mountains, with comments on body size, growth, and geographic distribution in the genus Machairaspis. Bradley R. Scott and Mark V.H. Wilson, Revue canadienne des sciences de la Terre, 2013, 50(2): 127-134, doi:10.1139/cjes-2012-0100
  2. [2]
    A New Osteostracan Fauna From The Devonian Of The Welsh Borderlands And Observations On The Taxonomy And Growth Of Osteostraci. Joseph N. Keating, Robert S. Sansom and Mark A. Purnell, Journal of Vertebrate Paleontology 32(5):1002–1017, September 2012


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