†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: Dinaspidae, Palaeaspidae

Subtaxa: Arctictenaspis Ctenaspis Zaphoctenaspis

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Ecology: planktonic suspension feeder

Distribution:

• Devonian of Canada (5: Nunavat, Nunavut collections), Norway (6), the Russian Federation (1), Ukraine (1), United States (1: Nevada)

Total: 14 collections including 18 occurrences

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