placozoan

English

Etymology

Placozoa +‎ -an; compare protozoan, protozoon.

Noun

placozoan (plural placozoans)

(zoology) Any of a group of balloon-shaped marine organisms, of the phylum Placozoa, considered to be the simplest living animals.
Synonym: placozoon
- 2010, Vicki Buchsbaum Pearse, Oliver Voigt, 12: Field Biology of Placozoans (Trichoplax), Rob Desalle, Bernd Schierwater (editors), Key Transitions in Animal Evolution, Taylor & Francis (CRC Press), Science Publishers, page 273,
  Similarly, at Madang, Papua New Guinea, a small rhabdocoel flatworm crawling on a slide among placozoans was observed contacting a placozoan, recoiling vigorously, and changing its direction of movement only to encounter another placozoan and repeat this behavior several times.
- 2018, Fatik Baran Mandal, Biology of Non-chordates, PHI Learning, 2nd Edition, page 112,
  Although ciliates, nematodes and are other small animals are observed around or even on placozoans, they do not seem to elicit any response (Pearse and Voigt, 2007).
- 2019, Oliver Voigt, Michael Eitel, 3: Placozoa, Andreas Schmidt-Rhaesa (editor), Handbook of Zoology: Miscellaneous Invertebrates, Walter de Gruyter, page 41,
  Placozoans have a lower side facing the substratum and an upper side facing the water body.

Translations

any species of the phylum Placozoa

French: please add this translation if you can
German: Plattentier n, Placozoen pl
Italian: please add this translation if you can

Further reading

Placozoa on Wikipedia.Wikipedia
Placozoa on Wikispecies.Wikispecies
Placozoa on Wikimedia Commons.Wikimedia Commons

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