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

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Type: Cephalodiscus

Distribution: found only at Road-metal quarry ~ 6 km west of Smithton Aerodrome on Montagu Road at Scopus (Cambrian of Australia)

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