Figure 4
From: Hox gene expression during postlarval development of the polychaete Alitta virens

Anterior boundaries of Nvi-Hox1 (A, E), Nvi-Hox4 (B, F), Nvi-Hox5 (C, G), and Nvi-Lox5 (D, H) have been stable since the larval stages. Anterior ends of juvenile worms are in the top row, nectochaetes are in the bottom row. See text for details.