|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
It was reranked as the phylum Urochordata by Nielsen (2012); it was reranked as the subphylum Urochordata by Brusca et al. (2016).
It was assigned to Chordata by Nielsen (2012); to Chordata by Nielsen (2012); and to Olfactores by Edgecombe et al. (2011) and Brusca et al. (2016).
Is something missing? Join the Paleobiology Database and enter the data