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A dendrogram representing the phylogenetic relationships of the main Ecdysozoan phyla. Molecular and expression data (IHC) available for putative PACAP and VIP is presented (El-Salhy et al., 1983; Andries et al., 1984; Andriès et al., 1991). The tissues where putative PACAP or VIP were found are also indicated. - no data available; ∗ partial cDNA.
