original description
Jondelius, U.; Wallberg, A.; Hooge, M.; Raikova, O. I. (2011). How the Worm Got its Pharynx: Phylogeny, Classification and Bayesian Assessment of Character Evolution in Acoela. <em>Systematic Biology.</em> 60(6): 845-871., available online at https://doi.org/10.1093/sysbio/syr073
page(s): 868 [details]
basis of record
Tyler, S.; Schilling, S.; Hooge, M.; Bush, L. F. (comp.). (2006-2016). Turbellarian taxonomic database. Version 1.7., available online at http://turbellaria.umaine.edu [details]
additional source
Tyler, S.; Schilling, S. (2011). Phylum Xenacoelomorpha Philippe, et al., 2011. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness. <em>Zootaxa.</em> 3148: 24–25., available online at http://www.mapress.com/zootaxa/2011/f/zt03148p025.pdf [details]
From editor or global species database
Taxonomy This name may not have a formal description in this publication: like most cladistic analyses, this publication doesn't give Linnean ranks to the upper-level taxa, so the rank assigned to it, is rather arbitrary. [details]