Order Petromyzontiformes Berg 1940 (lamprey)

Petromyzontida - Petromyzontiformes

Alternative spelling: Petromyzoniformes

Synonym: Hyperoartii

Parent taxon: Petromyzontida according to J. A. Long 2011

See also Gess et al. 2006 and Sepkoski 2002

Sister taxon: Hardistiella

Subtaxa: Euphanerops Mayomyzon Mesomyzon Petromyzontidae Priscomyzon

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• Cretaceous of China (1 collection)

• Carboniferous of United States (1: Illinois)

• Devonian of Canada (1: Quebec), South Africa (1)

Total: 4 collections each including a single occurrence

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