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Cyathaspis

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Cyathaspis
Temporal range: Wenlock to Ludlow
Reconstruction of C. banksii
Scientific classification
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Cyathaspis

Lankester
Type species
Pteraspis banksii
Huxley and Salter, 1856
Species
  • C. banksii (Huxley and Salter 1856)
  • C. lindstromi Kiaer and Heintz, 1935

Cyathaspis is the type genus of the heterostracan order Cyathaspidiformes. Species are found in late Silurian strata in Europe, especially in Great Britain and Gotland, Sweden. The living animal would have looked superficially like a tadpole, albeit covered in bony plates composed of the tissue aspidine, which is unique to heterostracan armor.