Halanych, K.M., Bacheller, J., Liva, S., Aguinaldo, A. A., Hillis, D.M. and Lake, J.A. (1995). "18S rDNA evidence that the Lophophorates are Protostome Animals". Science. 267: 1641–1643. doi:10.1126/science.7886451. PMID7886451.Pemeliharaan CS1: Banyak nama: authors list (link)
Hervé, Philippe; Lartillot, Nicolas; Brinkmann, Henner (2005). "Multigene Analyses of Bilaterian Animals Corroborate the Monophyly of Ecdysozoa, Lophotrochozoa, and Protostomia". Molecular Biology and Evolution. 22 (5): 1246–1253. doi:10.1093/molbev/msi111.
Hausdorf, B.; Helmkampf, M.; Meyer, A.; et al. (2007). "Spiralian Phylogenomics Supports the Resurrection of Bryozoa Comprising Ectoprocta and Entoprocta". Molecular Biology and Evolution. 24 (12): 2723–2729. doi:10.1093/molbev/msm214. PMID17921486.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)
Halanych, K.M., Bacheller, J., Liva, S., Aguinaldo, A. A., Hillis, D.M. and Lake, J.A. (1995). "18S rDNA evidence that the Lophophorates are Protostome Animals". Science. 267: 1641–1643. doi:10.1126/science.7886451. PMID7886451.Pemeliharaan CS1: Banyak nama: authors list (link)
Hausdorf, B.; Helmkampf, M.; Meyer, A.; et al. (2007). "Spiralian Phylogenomics Supports the Resurrection of Bryozoa Comprising Ectoprocta and Entoprocta". Molecular Biology and Evolution. 24 (12): 2723–2729. doi:10.1093/molbev/msm214. PMID17921486.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link)