Class Enteropneusta (acorn worm)
PaleoDB taxon number: 33519
Parent taxon: Hemichordata according to C. B. Cameron 2016
Sister taxon: Pterobranchia
Subtaxa: Harrimaniidae, Spengelidae
PaleoDB taxon number: 33519
Parent taxon: Hemichordata according to C. B. Cameron 2016
Sister taxon: Pterobranchia
Subtaxa: Harrimaniidae, Spengelidae