Английская Википедия:Cyathaspis

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Cyathaspis is the type genus of the heterostracan order Cyathaspidiformes.[1] Fossils are found in late Silurian strata in the Cunningham Creek Formation, New Brunswick, Canada and Europe, especially in the Downton Castle Sandstone of Great Britain and Gotland, Sweden.Шаблон:Cn 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.Шаблон:Cn

Cyathaspis ludensis is the earliest British vertebrate fossil.Шаблон:Cn It was found in rocks at Leintwardine in Herefordshire, a noted fossil locality.Шаблон:Cn

References

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Шаблон:Pteraspidomorphi-stub Шаблон:Silurian-animal-stub