-
Placozoa (/plækəˈzoʊə/, "flat animals") is a
phylum of
marine and free-living (non-parasitic) animals. They are
simple blob-like
animals without any body...
-
extinct sponges sometimes considered a
separate phylum. In
other cases,
Placozoa is included,
depending on the authors.
Porifera and
Archaeocyatha show...
-
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 this
clade relative to the two other...
- lines. The most
basal animals, the Porifera, Ctenophora, Cnidaria, and
Placozoa, have body
plans that lack
bilateral symmetry.
Their relationships are...
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Planulozoa is a
clade which includes the
Placozoa,
Cnidaria (corals and jellyfish) and the
Bilateria (all the more
complex animals including worms, insects...
- (jellyfish, hydrae, sea
anemones and corals),
Ctenophora (comb jellies) and
Placozoa (tiny "flat animals"). For the most part,
bilateral embryos are triploblastic...
- (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...
- Porifera,
Diploblasts Diploblasts: Ctenophora,
ParaHoxozoa ParaHoxozoa:
Placozoa, Cnidaria, Bilateria/Triploblast Bilateria: Xenacoelomorpha, Nephrozoa...
- Schierwater,
Bernd (2022-12-08). "Phylogenomics and the
first higher taxonomy of
Placozoa, an
ancient and
enigmatic animal phylum".
Frontiers in
Ecology and Evolution...
