Class Enteropneusta (acorn worm)


Parent taxon: Hemichordata according to C. B. Cameron 2016

See also Nielsen 2012, Sepkoski 2002 and Zrzavy et al. 1998

Sister taxon: Pterobranchia

Subtaxa: Harrimaniidae Spengelidae

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• Jurassic of Italy (1 collection)

• Carboniferous of United States (2: Illinois)

Total: 3 collections including 4 occurrences

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