Английская Википедия:Anchipteraspididae
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Anchipteraspididae is an extinct family of heterostracan vertebrates restricted to Late Silurian and Early Devonian strata of Arctic Canada.[1]
Anchipteraspidids superficially resemble the ancestral cyathaspidids, but, the articulation and growth patterns of the plates clearly define them as pteraspidids.
References
- On the recent discovery of Pteraspidian fish in the upper Silurian rocks of North America. Edward Waller Claypole, Quart. Journ. Geol. Soc. 1885, volume 41, pages 48–64, Шаблон:Doi
- Revised classification of Pteraspididae with description of new forms from Wyoming. Robert Howland Denison, Fieldiana. Geology ; v. 20, no. 1, Шаблон:Doi
External links
- ↑ Elliott, D. K. "A new subfamily of the Pteraspididae (Agnatha, Heterostraci) from the upper Silurian and lower Devonian of Arctic Canada." Palaeontology 27.1 (1984): 169-197. [1] Шаблон:Webarchive
Категории:
- Английская Википедия
- Pteraspidiformes
- Devonian jawless fish
- Silurian jawless fish
- Early Devonian fish
- Prehistoric jawless fish families
- Pridoli first appearances
- Early Devonian extinctions
- Transitional fossils
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