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The position of the ctenophores in the evolutionary family tree of animals has long been debated, and the majority view at present, based on molecular phylogenetics, is that cnidarians and bilaterians are more closely related to each other than either is to ctenophores.
Ctenophora is a genus of true crane flies. The species are large (about 20 mm long, with 25-mm wingspans), shiny black craneflies with large yellow, orange, or red markings to mimic wasps. Males have comb-like antennae. The larvae are saproxylic. The species are confined to old deciduous forests, orchards, and other habitats with continuity of ...
Lampea is a genus of ctenophores belonging to the family Lampeidae. [1] The genus has almost cosmopolitan distribution. [1] Species: [1] Lampea elongata (Quoy & Gaimard, 1824) Lampea fusiformis (Agassiz & Mayer, 1902) Lampea komai (Dawydoff, 1937) Lampea lactea (Mayer, 1912) Lampea pancerina (Chun, 1879)
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Platyctenida is the only benthic group of organisms in the phylum Ctenophora. Platyctenida are considered to be a phylogenetically young group along with the orders Lobata and Beroida and are believed to have stemmed from an ancestral version of the order Cydippida, after some kind of bottleneck effect in the phylum.