J. Zrzavy & V. Hypsa (April 2003). "Myxozoa, Polypodium, and the origin of the Bilateria: The phylogenetic position of "Endocnidozoa" in light of the rediscovery of Buddenbrockia". Cladistics19 (2): 164–169. Bibcode:2002clad.book.....S. doi:10.1111/j.1096-0031.2003.tb00305.x.
J. Zrzavy & V. Hypsa (April 2003). "Myxozoa, Polypodium, and the origin of the Bilateria: The phylogenetic position of "Endocnidozoa" in light of the rediscovery of Buddenbrockia". Cladistics19 (2): 164–169. Bibcode:2002clad.book.....S. doi:10.1111/j.1096-0031.2003.tb00305.x.