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Parazoa (
Parazoa, gr. Παρα-, para, "next to", and ζωα, zoa, "animals") are a
taxon with sub-kingdom
category that is
located at the base of the phylogenetic...
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simple animals. It is one of the
three animal subkingdoms,
along with
Parazoa and Eumetazoa. It is
nearly synonymous with Mesozoa.
Agnotozoa was first...
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sphere of cells, the blastula,
during embryonic development.
Subkingdom Parazoa Porifera Placozoa Subkingdom Eumetazoa Radiata (unranked)
Ctenophora Cnidaria...
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Basidiomycota Kingdom Animalia Subkingdom Agnotozoa Phylum Mesozoa Subkingdom Parazoa Phylum Porifera Phylum Archaeocyatha †
Subkingdom Eumetazoa Branch Radiata...
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Protostome Bilateria Nephrozoa Deuterostome Basal/disputed Non-Bilateria
Vendobionta Parazoa Others...
- needed] For a long time thereafter,
sponges were ****igned to
subkingdom Parazoa ("beside the animals")
separated from the
Eumetazoa which formed the rest...
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Placozoa (/ˌplækəˈzoʊə/ PLAK-ə-ZOH-ə; lit. 'flat animals') is a
phylum of free-living (non-parasitic)
marine invertebrates. They are blob-like animals...
- The
biological systematics and
taxonomy of
invertebrates as
proposed by
Richard C.
Brusca and Gary J.
Brusca in 2003 is a
system of
classification of invertebrates...
- a long time
thereafter sponges were ****igned to a
separate subkingdom,
Parazoa (meaning
beside the animals). They are now
classified as a paraphyletic...
- The
taxonomy of
commonly fossilized invertebrates combines both
traditional and
modern paleozoological terminology. This
article compiles various invertebrate...
