Figure 3.

Phylogenetic relationships of Thecostraca (after [14,18]). Facetotecta is the sister-group to the rest of the Thecostraca, which comprise the Ascothoracida and Cirripedia. Despite their phylogenetic distance from Rhizocephala, the early postlarval stages (ypsigon) are very similar.

Scholtz Journal of Biology 2008 7:16   doi:10.1186/jbiol77
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