Placozoa (/ ˌplækəˈzoʊə / PLAK-ə-ZOH-ə; lit. 'flat animals') [3] is a phylum of free-living (non-parasitic) marine invertebrates. [4][5] They are blob-like animals composed of aggregations of …

Feb 5, 2018 · Placozoa lack any kind of apparent symmetry or body axis. They have no discrete organs, no clear nerve or muscle cells, not even any obvious extracellular matrix or a basal …

2 days ago · Placozoa occur in the littoral of all warm oceans and are distributed globally in tropical and sub-tropical waters. They reproduce by (i) binary (sometimes trinary) fission, (ii) …

Placozoans are millimeter-size thin metazoans, consisting of two (upper and lower) epithelial layers and a layer of loose fiber cells between them. With the lower epithelial layer, they attach …

Mar 1, 2020 · Placozoans are among the simplest metazoan animals known to science. They are very small, usually only two to three mm across and only 25 μm from top to bottom. …

Trichoplax adhaerens is one of the four named species in the phylum Placozoa. The others are Hoilungia hongkongensis, Polyplacotoma mediterranea and Cladtertia collaboinventa. …

Pla­co­zoans are very small an­i­mals, mea­sur­ing just 2 to 3 mm in di­am­e­ter and typ­i­cally 15 to 20 µm thick. They have tra­di­tion­ally been de­scribed as being com­posed only four types of cells: …

The enigmatic animal phylum Placozoa holds a key position in the metazoan Tree of Life. A simple bauplan makes it appear to be the most basal metazoan known and genetic evidence …

Nov 23, 2004 · These tiny, flattened animals lack symmetry, mouth, gut, nervous system, and extra-cellular matrix and constitute the apparently monotypic phylum Placozoa. Placozoans …

Placozoans are morphologically the simplest free-living animals. They represent a unique window of opportunities to understand both the origin of the animal organization and the rules of life for …