Zrzavy, J.; Mihulka, S.; Kepka, P.; Bezdek, A.; Tietz, D. (1998). Phylogeny of the Metazoa based on morphological and 18S ribosomal DNA evidence. Cladistics. 14(3), 249-285.
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Zrzavy, J.; Mihulka, S.; Kepka, P.; Bezdek, A.; Tietz, D.
1998
Phylogeny of the Metazoa based on morphological and 18S ribosomal DNA evidence