Anaspida

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Anaspida
Anaspida
Anaspida
Anaspida from the Ludlow of Oesel
Anaspida from the Ludlow [Silurian] of Oesel [Norway]
The Anaspida and the problem of the origin of the vertebrates
The Ostracoderm Order Anaspida, with Description of Some Upper Silurian Material
New evidence on the morphology of the Norwegian Anaspida
The Downtonian Fauna of Norway. I. Anaspida, with a Geological Introduction by Johan Kiær
Scientific Books: The Downtonian Fauna of Norway. I. Anaspida, with a Geological Introduction
Einige Bemerkungen über die systematischen Beziehungen der Anaspida zu den Cyklostomen und Fischen
The Downtonian Fauna of Norway. I. Anaspida. With a geological introduction. By KiærJohan, Videnskapsselsk. Skrifter, I. Mat.-Nat...
The Downtonian Fauna of Norway. I. Anaspida. With a geological introduction. By Johan Kiær, Videnskapsselsk. Skrifter, I. Mat.-Nat...