Figure 1.

Competing phylogenetic hypotheses amongst Syndermata. Cladograms reflecting the competing hypotheses on the phylogenetic relations among Monogononta, Bdelloidea, Acanthocephala and Seisonidea. A Lemniscea hypothesis [23]. B Eurotatoria+Pararotatoria hypothesis [5,9,12]. C Rotifera+Acanthocephala [8,26]. D Eurotatoria+Acanthocephala [28]. E Hemirotifera [29].

Witek et al. BMC Evolutionary Biology 2008 8:345   doi:10.1186/1471-2148-8-345
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