Additional file 2.
Figure S2: Additional aspects of collier expression in Euperipatoides. A Early stage II embryo with beginning expression in the brain (black arrow). B Early stage III embryo. Arrowheads mark expression in the anterior of the developing limbs. C Late stage III embryo showing expression in a continuous anterior to posterior stripe ventral to jaw, slime papilla and walking limbs. Dot-like expression is also visible in the limbs.
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Janssen et al. BMC Evolutionary Biology 2011 11:50 doi:10.1186/1471-2148-11-50