†order Zenaspidida Stensio 1958 (vertebrate)

Osteostraci - Zenaspidida

Parent taxon: Osteostraci according to R. S. Sansom 2009

See also Voichyshyn 2006

Sister taxa: Ateleaspidiformes, Benneviaspidida, Benneviaspidiformes, Camptaspis, Cephalaspidiformes, Cornuata, Thyestiformes, Thyestiida, Tremataspidida, Tremataspidiformes, Waengsjoeaspis, Yvonaspis

Subtaxa: Spangenhelmaspis Wladysagitta

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Ecology:

Distribution:

• Devonian of Norway (3 collections), Ukraine (3)

Total: 6 collections each including a single occurrence

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