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Class Petromyzontida Bonaparte 1831 (vertebrate)

Petromyzontida

Synonym: Hyperoartia Müller 1844

Parent taxon: Cyclostomata according to T. Miyashita et al. 2021

See also Gadow 1898, Jordan 1963, Long 2011, Miyashita et al. 2019, Takezaki et al. 2003 and van der Laan 2019

Sister taxa: Anaspida, Conodontophorida, Hypospondyli, Myxini, Palaeospondyli, Petromyzontes

Subtaxa: Gilpichthyidae Petromyzontiformes Pipisciidae

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Ecology:

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