Protostyela is a genus of ascidian tunicates in the family Styelidae. Species within the genus Protostyela include: \n* Protostyela heterobranchia Millar, 1954 \n* Protostyela longicauda Monniot, Vazquez, White, 1995
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