†order Tremataspidiformes Berg 1937 (vertebrate)
Osteostraci - Tremataspidiformes
Parent taxon: Osteostraci according to T. Märss et al. 2014
Sister taxa: Ateleaspidiformes, Benneviaspidida, Benneviaspidiformes, Camptaspis, Cephalaspidiformes, Cornuata, Thyestiformes, Thyestiida, Tremataspidida, Waengsjoeaspis, Yvonaspis, Zenaspidida
Subtaxa: Tahulaspis
Ecology: planktonic suspension feeder
Distribution:
• Silurian of Estonia (2 collections)
Total: 2 collections each including a single occurrence