†family Cephalodiscidae Harmer 1905 (pterobranch)
Pterobranchia - Cephalodiscida - Cephalodiscidae
Synonym: Eocephalodiscidae Kozłowski 1949
Parent taxon: Cephalodiscida according to J. Maletz 2014
See also Bulman 1970
Sister taxa: none
Subtaxa: Aellograptus Cephalodiscus Eocephalodiscus Melanostrophus Pterobranchites
Type: Cephalodiscus
Distribution: found only at Road-metal quarry ~ 6 km west of Smithton Aerodrome on Montagu Road at Scopus (Cambrian of Australia)