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Ambulacraria /ˌæmbjuːləˈkrɛəriə/, or
Coelomopora /siːləˈmɒpərə/, is a
clade of
invertebrate phyla that
includes echinoderms and hemichordates; a member...
- fish)
Superclass Osteichthyes (bony fish -
includes tetrapods)
Clade Ambulacraria Phylum Hemichordata class Planctosphaeroidea class Enteropneusta (acorn...
- Echinoderms, and
together they form the
clade Ambulacraria, the
sister phylum of the Chordates. Chordata,
Ambulacraria, and
possibly Xenacoelomorpha are believed...
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changed considerably since 2000. A
different hypothesis is that the
Ambulacraria are
sister to
Xenacoelomorpha together forming the Xenambulacraria. The...
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blood vessel.
Together with the Echinoderms, the
hemichordates form the
Ambulacraria,
which are the
closest extant phylogenetic relatives of chordates. Thus...
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Xenocoelomorpha is
nested within Bilateria as most
closely related to
Ambulacraria.
Which hypothesis is
correct is controversial.
Authors supporting the...
-
colleagues (2021),
proposes a
clade Xenambulacraria for the
Xenacoelamorpha +
Ambulacraria; this is
either within Deuterostomia, as
sister to Chordata, or the Deuterostomia...
- Clade:
Bilateria Clade:
Nephrozoa Superphylum:
Deuterostomia Clade:
Ambulacraria Phylum:
Echinodermata Bruguière, 1791 [ex Klein, 1734] Type
genus Echinus...
- out of
Bilateria and
Phylum Xenacoelomorpha is
basal Phylum Chordata Ambulacraria (unranked)
Phylum Hemichordata Phylum Echinodermata Phylum Cambroernida...
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tornaria larvae of some Hemichordata,
reflecting the
descent of the
Ambulacraria from a
common ancestor. Barnes,
Robert D. (1982).
Invertebrate Zoology...