†unranked clade Palaeoscolecidomorpha Shi et al. 2022 (priapulid worm)

Palaeoscolecidomorpha

Full reference: X. Shi, R. J. Howard, G. D. Edgecombe, X. Hou, and X. Ma. 2022. Tabelliscolex (Cricocosmiidae: Palaeoscolecidomorpha) from the early Cambrian Chengjiang Biota and the evolution of seriation in Ecdysozoa. Journal of the Geological Society 179:1-17

Parent taxon: Priapulida according to X. Shi et al. 2022

Sister taxa: Acosmia, Archaeopriapulida, Archotuba, Corynetis, Eximipriapulus, Halicryptidae, Maccabeidae, Omnidens, Priapulidae, Priapulomorpha, Selkirkiimorpha, Sicyophorus, Tubiluchidae, Xiaoheiqingidae

Subtaxa: Cricocosmiidae Maotianshania Markuelia Palaeoscolecida

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Ecology: facultatively mobile shallow infaunal carnivore

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