†family Ctenaspidae Kiaer 1930 (jawless fish)
Pteraspidomorpha - Poraspidei - Ctenaspidae
Parent taxon: Poraspidei according to J. Kiaer 1932
See also Van Der Laan 2019
Sister taxa: Anglaspidae, Dinaspidae, Palaeaspidae
Subtaxa: Ctenaspis
Type: Ctenaspis
Ecology:
Distribution:
• Devonian of Canada (1: Nunavut collection), Norway (1), the Russian Federation (1)
Total: 3 collections including 4 occurrences