Emig, C.C. 2011.

Phylum Phoronida Hatschek, 1888. In: Zhang, Z.-Q. (Ed.) Animal biodiversity: An outline of higher-level classification and survey of taxonomic richnes

. Zootaxa. 3148, 1 (Dec. 2011), 230. DOI:https://doi.org/10.11646/zootaxa.3148.1.43.