Figure 3From: Zoological detective stories: the case of the facetotectan crustacean life cyclePhylogenetic 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.Back to article page