†order Ateleaspidiformes Tarlo 1967 (vertebrate)

Petromyzontida - Cephalaspidiformes

Parent taxon: Osteostraci according to O. Tinn and T. Märss 2018

See also Sepkoski 2002

Sister taxa: Aachenaspis, Fieldingaspis, Meelaidaspis, Ohesaareaspis, Tuvaspis, Yvonaspis, Camptaspis, Zenaspidida, Benneviaspidiformes, Benneviaspidida, Tremataspidiformes, Tremataspidida, Waengsjoeaspis, Cornuata, Thyestiida

Subtaxa: Ateleaspididae Kalanaspididae

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Ecology: fast-moving nektonic carnivore

Distribution:

• Devonian of Canada (1: Nunavut collection)

• Silurian of Canada (1: Nunavut), Estonia (1), North Atlantic (1), Norway (3), the United Kingdom (10)

Total: 17 collections including 21 occurrences

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