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Eriptychiida
Extinct order of jawless fishes / From Wikipedia, the free encyclopedia
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Eriptychiida is an extinct marine taxon of vertebrate in the group Pteraspidomorphi.
Quick Facts Scientific classification, Families ...
Eriptychiida | |
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Specimen of Eriptychius americanus | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Infraphylum: | Agnatha |
Class: | †Pteraspidomorphi |
Subclass: | †Heterostracomorphi |
Infraclass: | †Eriptychiida Tarlo 1962 |
Order: | †Eriptychiiformes Ørvig 1958[1] |
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The order contains the genus, Eriptychius, and fossilized specimens from this genus have been found in the Gull River Formation of Ontario, the Harding Formation of Colorado, and the Bighorn Dolomite of Wyoming. The group contains two documented species: Eriptychius americanus and Eriptychius orvigi.