Budd, G.E.; Jensen, S.、2000年「A critical reappraisal of the fossil record of the bilaterian phyla」『Biological Reviews』75巻02号253~295ページ、doi:10.1017/S000632310000548X、PMID10881389
Willmann, Rainer (2003). “From Haeckel to Hennig: the early development of phylogenetics in German-speaking Europe”. Cladistics19: 449?479. doi:10.1016/j.cladistics.2003.09.001.
Brysse, K. (2008), “From weird wonders to stem lineages: the second reclassification of the Burgess Shale fauna”, Studies in History and Philosophy of Science Part C: Biological and Biomedical Sciences39 (3): 298?313, doi:10.1016/j.shpsc.2008.06.004, PMID18761282.
Brysse, K. (2008), “From weird wonders to stem lineages: the second reclassification of the Burgess Shale fauna”, Studies in History and Philosophy of Science Part C39 (3): 298-313, doi:10.1016/j.shpsc.2008.06.004, PMID18761282
Budd, G.E.; Jensen, S.、2000年「A critical reappraisal of the fossil record of the bilaterian phyla」『Biological Reviews』75巻02号253~295ページ、doi:10.1017/S000632310000548X、PMID10881389
Brysse, K. (2008), “From weird wonders to stem lineages: the second reclassification of the Burgess Shale fauna”, Studies in History and Philosophy of Science Part C: Biological and Biomedical Sciences39 (3): 298?313, doi:10.1016/j.shpsc.2008.06.004, PMID18761282.
Brysse, K. (2008), “From weird wonders to stem lineages: the second reclassification of the Burgess Shale fauna”, Studies in History and Philosophy of Science Part C39 (3): 298-313, doi:10.1016/j.shpsc.2008.06.004, PMID18761282