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Peytoia infercambriensis
Extinct species of arthropod / From Wikipedia, the free encyclopedia
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"Cassubia" redirects here. For the region in Poland, see Kashubia.
Peytoia infercambriensis is a species of hurdiid radiodont in the genus Peytoia.
Quick Facts Scientific classification, Binomial name ...
Peytoia infercambriensis | |
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Interpretive drawing of holotype specimen of P. infercambriensis | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Dinocaridida |
Order: | †Radiodonta |
Family: | †Hurdiidae |
Genus: | †Peytoia |
Species: | †P. infercambriensis |
Binomial name | |
†Peytoia infercambriensis (Lendzion, 1975) | |
Synonyms | |
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P. infercambriensis is the geologically oldest known radiodont; its remains date to the third age of the Cambrian. The type and only known specimen, a partial appendage, was found in a core sample from a borehole nearly five kilometers deep in northern Poland. P. infercambriensis was previously regarded as belonging to a separate genus, Cassubia, named after the historical region of Kashubia in which the specimen was found, but Cassubia is now considered a junior synonym of Peytoia.