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Fig. 6 | BMC Evolutionary Biology

Fig. 6

From: An embryological perspective on the early arthropod fossil record

Fig. 6

Reconstructed germband of Fuxianhuiida, based on Fuxianhuia protensa. The upper panel represents an early stage germband with the expression of select marker genes mapped onto it. The lower panel represents a late stage germband, annotated with the adult fate of the main embryonic features. Note the mismatch between dorsal tergites and limbs, both in the gene expression at the early stage represented in the upper panel and in the limb buds and tergites in the lower panel. The anterior lobes are smaller than in the bivalved taxa, and give rise to the head shield

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