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Vetulicolia is a
group of
bilaterian marine animals encomp****ing
several extinct species from the Cambrian, and
possibly Ediacaran, periods. As of 2023...
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Deuterostomia Phylum:
Chordata Haeckel, 1874
Subgroups †Vetulocystidae? †
Vetulicolia? (Paraphyletic?) †Yunnanozoon? †Cathaymyrus †Pikaia
Cephalochordata Olfactores...
- Clade:
Nephrozoa Superphylum:
Deuterostomia Grobben, 1908
Clades Chordata Vetulicolia †
Vetulocystidae † Xenacoelomorpha?
Ambulacraria Hemichordata Echinodermata...
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includes the many Chordata, and the few
extinct species belonging to the
Vetulicolia. The two
living clades with
representative organisms are: Echinodermata...
- This is a list of
fossils found at
Maotianshan Shales,
whose most
famous ****emblage of
organisms are
referred to as the
Chengjiang biota. The Maotianshan...
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Yunnanozoon as a
transitional stem-chordate form
between a
paraphyletic Vetulicolia and the more
crownward Chordata as
shown on this
simplified cladogram:...
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Superphylum Deuterostomia Chordata Hemichordata Echinodermata Xenoturbellida Vetulicolia †
Protostomia (unranked)
Superphylum Ecdysozoa Kinorhyncha Loricifera...
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surrounded by an oral disc. It may be paraphyletic, even if the
phylum Vetulicolia is monophyletic.
Didazoonids have an
ovoid to
subquadrate anterior section...
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refinements of the
phylogeny of
groups and even the
erection of the new
phylum Vetulicolia of
primitive deuterostomes. The
Chengjiang biota has all the
animal groups...
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traditionally include the echinoderms, hemichordates, chordates, and the
extinct Vetulicolia. The
protostomes include most of the rest, such as arthropods, annelids...
