Template:Sørensen et al., 2000
- Sørensen, M.V., Funch, P., Willerslev, E., Hansen, A.J. & Olesen, J. 2000. On the phylogeny of the Metazoa in the light of Cycliophora and Micrognathozoa. Zoologischer Anzeiger 239(3): 297–318. ResearchGate
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