†order Tremataspidiformes Berg 1937 (vertebrate)

Petromyzontida - Cephalaspidiformes

Parent taxon: Osteostraci according to T. Märss et al. 2014

Sister taxa: Aachenaspis, Fieldingaspis, Ilemoraspis, Oeselaspis, Procephalaspis, Saaremaaspis, Sclerodus, Tannuaspis, Thyestes, Timanaspis, Tuvaspis, Tyriaspis, Tremataspidida, Euphaneropidae, Benneviaspidiformes, Cornuata, Kiaeraspis, Benneviaspis, Thyestiida, Waengsjoeaspis

Subtaxa: Tremataspididae

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Ecology: fast-moving nektonic carnivore

Distribution:

• Silurian of Estonia (4 collections), Sweden (4)

Total: 8 collections including 17 occurrences

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