Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various marine cnidarians of the class Scyphozoa, which includes most of the jellyfishes, characterized by the absence of a polyp stage or by a polyp that is extremely small.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any true
jellyfish of the classScyphozoa
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Kuhn K, Streit B, Schierwater B (1999) Isolation of Hox genes from the scyphozoan Cassiopeia xamachana: implications for the early evolution of Hox genes.
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Hydra magnipapillata full genome and have not been identified until now in other hydrozoan or scyphozoan species, being only known from the anthozoan
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Although scyphozoan sequences are lacking in the HOX1, HOX2, HOX9-14A and CDX groups (figure 1), these absences could be due to non exhaustive sampling from PCR surveys, a full genome sequence being currently lacking for this cnidarian lineage
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In some cases, gene relationships among cnidarian groups are congruent with the species phylogeny: hydrozoan sequences are sister-group to scyphozoan sequences, with anthozoan sequences branching basally to this ensemble.
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