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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Capitellid connections: contributions from neuromuscular development of the maldanid polychaete Axiothella rubrocincta(Annelida)

Figure 1

Development of Axiothella rubrocincta. Light micrographs of developmental stages. Anterior is to the left. A is a lateral view, B and C are ventral views. Scale bars equal 100 μm. (A) Larva with three clearly differentiated setigers (arrows) and prototroch (pt). (B) 5-setiger juvenile (1s-5s) with differentiated prostomium (pro), peristomium (per), and pygidium (py). (C) 7-setiger juvenile.

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