†family Cephalaspididae Agassiz 1844 (vertebrate)

Osteostraci - Cephalaspidiformes - Cephalaspididae

Synonym: Cephalaspidae Huxley 1861

Parent taxon: Cephalaspidoidei according to R. van der Laan 2019

See also Bryant 1933, Gardiner 1966, Hay 1902, Huxley 1861, Janvier 1985 and Moy-Thomas and Mile 1971

Sister taxa: Parameteoraspididae, Superciliaspididae

Subtaxa: Cephalaspis Eukeraspis

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Type: Cephalaspis

Ecology:

Distribution:

• Devonian of Canada (10: New Brunswick, Northwest Territories, Nova Scotia, Nunavut, Quebec collections), Norway (8), Ukraine (4), the United Kingdom (14), United States (2: Wyoming)

• Silurian of Lithuania (1), the United Kingdom (1)

Total: 40 collections including 44 occurrences

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