†family Protaspidae Bryant 1933 (jawless fish)

Pteraspidomorpha - Protaspidae

Full reference: W. L. Bryant. 1933. The Fish Fauna of Beartooth Butte, Wyoming. Proceedings of the American Philosophical Society 72(5):285-314

Parent taxon: Heterostraci according to W. L. Bryant 1933

Sister taxa: Amphiaspidiformes, Anatolepis, Aporemaspis, Ariaspididae, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidiformes, Cyathaspidida, Cyathaspidiformes, Drepanaspidae, Lepidaspidiformes, Olbiaspidida, Palaeaspidi, Psammolepis, Psammosteiformes, Pteraspidi, Strosipherus, Tesseraspidiformes, Thelodontidae, Tolypelepidiformes, Traquairaspidida, Traquairaspidiformes

Subtaxa: Cyrtaspis

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Ecology:

Distribution: there are no occurrences of Protaspidae in the database

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