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Placozoa (/ˌplækəˈzoʊə/ PLAK-ə-ZOH-ə; lit. 'flat animals') is a
phylum of
marine and free-living (non-parasitic) animals. They are blob-like
animals composed...
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extinct sponges sometimes considered a
separate phylum. In
other cases,
Placozoa is included,
depending on the authors.
Porifera and
Archaeocyatha show...
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species in the
phylum Placozoa. The
others are
Hoilungia hongkongensis,
Polyplacotoma mediterranea and
Cladtertia collaboinventa.
Placozoa is a
basal group...
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ParaHoxozoa (or Parahoxozoa) is a
clade of
animals that
consists of Bilateria,
Placozoa, and Cnidaria. The
relationship of
Parahoxozoa relative to the two other...
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divided into five infrakingdoms/superphyla,
namely Porifera, Ctenophora,
Placozoa,
Cnidaria and Bilateria. Most
living animal species belong to the infrakingdom...
- (sponges). The
basal eumetazoan clades are the
Ctenophora and the ParaHoxozoa.
Placozoa is now also seen as a
eumetazoan in the ParaHoxozoa. The
competing hypothesis...
- (jellyfish, hydrae, sea
anemones and corals),
Ctenophora (comb jellies) and
Placozoa (tiny "flat animals"). For the most part,
bilateral embryos are triploblastic...
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common than
previously ****umed.
Coelentera may only be
monophyletic if both
Placozoa and
Bilateria are included. In particular, the
phylogenetic position of...
- to a
subkingdom of
three small phyla of
simple animals without organs,
Placozoa, Orthonectida, and Rhombozoa. They are
known as "simple"
though they have...
- Porifera,
Diploblasts Diploblasts: Ctenophora,
ParaHoxozoa ParaHoxozoa:
Placozoa, Cnidaria, Bilateria/Triploblast Bilateria: Xenacoelomorpha, Nephrozoa...
