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- proper n. A taxonomic class within the phylum Cnidaria — the jellyfish.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
Sorry, no etymologies found.
By including genes from various cnidarian species belonging to Anthozoa, Scyphozoa and Hydrozoa, our analysis allows to identify lineage-specific gene duplications or losses through the comparison of the topology within the gene tree with the known phylogenetic relationships between included species
Furthermore, each major cnidarian lineage experienced specific duplications: group C HOX9-14 genes were independently duplicated in the Scyphozoa and in the Hydrozoa, and several duplications increased the number of HOX2 genes in the Anthozoa (figure 1).