Xenacoelomorpha is a phylum of small and very simple animals composed by the xenoturbellids and the acoelomorphs. It was suggested by molecular data and is also supported by morphological synapomorphies.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0