Nemertodermatida

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Phylum: Xenacoelomorpha
Subphylum: Acoelomorpha
Classis:
Familiae (2): Ascopariidae – Nemertodermatidae

Nemertodermatida Karling, 1940

• Jiménez-Guri, E.; Paps, J.; García-Fernández, J.; Saló, E. 2006: Hox and ParaHox genes in Nemertodermatida, a basal bilaterian clade. International journal of developmental biology, 50: 675–679. DOI: 10.1387/ijdb.062167ej
• Jondelius, U., Ruiz-Trillo, I., Baguñà, J. & Riutort, M. 2002. The Nemertodermatida are basal bilaterians and not members of the Platyhelminthes. Zoologica Scripta 31(2): 201–215. DOI: 10.1046/j.1463-6409.2002.00090.x . Reference page. 
• Lundin, K. 2000: Phylogeny of the Nemertodermatida (Acoelomorpha, Platyhelminthes). A cladistic analysis. Zoologica scripta, 29(1): 65–74. DOI: 10.1046/j.1463-6409.2000.00028.x
• Sterrer, W. 1998: New and known Nemertodermatida (Platyhelminthes-Acoelomorpha) - a revision -. Belgian journal of zoology. 128(1): 55–92. The Stylet - Diversity and Systematics of Acoela and Nemertodermatida
• Philippe, H., Brinkmann, H., Copley, R.R., Moroz, L.L., Nakano, H., Poustka, A.J., Wallberg, A., Peterson, K.J. & Telford, M.J. 2011. Acoelomorph flatworms are deuterostomes related to Xenoturbella. Nature 470: 255–258. DOI: 10.1038/nature09676 Reference page. 
• Wallberg, A., Curini-Galletti, M., Ahmadzadeh, A. & Jondelius, U. 2007. Dismissal of Acoelomorpha: Acoela and Nemertodermatida are separate early bilaterian clades. Zoologica Scripta 36(5): 509–523. DOI: 10.1111/j.1463-6409.2007.00295.x . Reference page.