Agnatha - Hyperoartia

Alternative spelling: Petromyzoniformes

Synonym: Hyperoartii

Parent taxon: Hyperoartia according to R. W. Gess et al. 2006

Sister taxa: none

Subtaxa: Euphanerops, Hardistiella, Mayomyzon, Mesomyzon, Petromyzontidae, Priscomyzon

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Ecology: