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- Actinozoa abstract "Actinozoa is an obsolescent term in systematic zoology, first used by Henri Marie Ducrotay de Blainville in his Manuel d'Actinologie (1834) to designate animals the organs of which were disposed radially about a centre.De Blainville included in his group many unicellular forms, sea anemones, corals, jellyfish, hydroid polyps, echinoderms, polyzoa, and rotifera.Thomas Huxley afterwards applied the term in a restricted sense. He showed that within de Blainville's group, along with a number of heterogeneous forms, there was a group of animals characterized by being composed of two layers of cells comparable with the first two layers in the development of vertebrate animals. These he called Coelentera, and showed that they had no special affinity with echinoderms, polyzoa, etc. He further divided the Coelentera into a group Hydrozoa, in which the sexually produced embryos were usually set free from the surface of the body, and a group Actinozoa, in which the embryos are detached from the interior of the body and escape generally by the oral aperture. Huxley's Actinozoa comprised the sea-anemones, corals and sea pens, on the one hand, and the Ctenophora (comb jellies) on the other.Modern biology confirms Huxley's criticism of De Blainville's Actinozoa, and upholds Hydrozoa, but it is now known that the Ctenophora are only distantly related to jellyfish and their relatives, so Huxley's Actinozoa and Coelentera are no longer used (though the name Actinozoa is occasionally applied to the Anthozoa). Modern taxonomies place the comb jellies in their own phylum Ctenophora and the jellyfish, sea anemones, and Hydrozoa together in the phylum Cnidaria.".
- Actinozoa wikiPageID "2623198".
- Actinozoa wikiPageLength "1935".
- Actinozoa wikiPageOutDegree "21".
- Actinozoa wikiPageRevisionID "593753652".
- Actinozoa wikiPageWikiLink Anthozoa.
- Actinozoa wikiPageWikiLink Bryozoa.
- Actinozoa wikiPageWikiLink Category:Cnidarians.
- Actinozoa wikiPageWikiLink Category:Ctenophores.
- Actinozoa wikiPageWikiLink Cnidaria.
- Actinozoa wikiPageWikiLink Coelenterata.
- Actinozoa wikiPageWikiLink Coral.
- Actinozoa wikiPageWikiLink Ctenophora.
- Actinozoa wikiPageWikiLink Echinoderm.
- Actinozoa wikiPageWikiLink Henri_Marie_Ducrotay_de_Blainville.
- Actinozoa wikiPageWikiLink Homogeneity_and_heterogeneity.
- Actinozoa wikiPageWikiLink Hydrozoa.
- Actinozoa wikiPageWikiLink Jellyfish.
- Actinozoa wikiPageWikiLink Phylum.
- Actinozoa wikiPageWikiLink Rotifer.
- Actinozoa wikiPageWikiLink Sea_anemone.
- Actinozoa wikiPageWikiLink Sea_pen.
- Actinozoa wikiPageWikiLink Systematics.
- Actinozoa wikiPageWikiLink Thomas_Henry_Huxley.
- Actinozoa wikiPageWikiLink Zoology.
- Actinozoa wikiPageWikiLinkText "Actinozoa".
- Actinozoa wikiPageWikiLinkText "actinozoa".
- Actinozoa wikiPageUsesTemplate Template:Reflist.
- Actinozoa subject Category:Cnidarians.
- Actinozoa subject Category:Ctenophores.
- Actinozoa hypernym Term.
- Actinozoa type Cnidarian.
- Actinozoa type Organism.
- Actinozoa type Organism.
- Actinozoa comment "Actinozoa is an obsolescent term in systematic zoology, first used by Henri Marie Ducrotay de Blainville in his Manuel d'Actinologie (1834) to designate animals the organs of which were disposed radially about a centre.De Blainville included in his group many unicellular forms, sea anemones, corals, jellyfish, hydroid polyps, echinoderms, polyzoa, and rotifera.Thomas Huxley afterwards applied the term in a restricted sense.".
- Actinozoa label "Actinozoa".
- Actinozoa sameAs Q4677019.
- Actinozoa sameAs m.07sgqs.
- Actinozoa sameAs Q4677019.
- Actinozoa wasDerivedFrom Actinozoa?oldid=593753652.
- Actinozoa isPrimaryTopicOf Actinozoa.