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Because all
vetulicolians had
mouths which had no
features for
chewing or grasping, it is ****umed that they were not predators.
Since vetulicolians possessed...
-
pharyngeal groove structure of
vetulicolians,
although in the case of Alienum, this
extends diagonally backwards,
whilst in
vetulicolians, this is an
axial groove...
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Vetulocystida would represent the
transition from the body plan of the
vetulicolians to one of the echinoderms, as
shown by the
following cladogram simplified...
-
majority of
workers have come to see the
vetulicolians as stem chordates, and a 2024
study placed vetulicolians as a
basal chordate evolutionary grade,...
-
Marjum lagerstätte of Utah. It has been
classified with the
banffozoan vetulicolians. Skeemella,
which was
first described in 2005, is
diagnosed as having...
-
study in 2014
placed vetulicolians as the sister-group of tunicates, but was
unable to
resolve any
relationships among vetulicolians as a group: Banffozoa...
-
study in 2014
placed vetulicolians as the sister-group to tunicates, but was
unable to
resolve any
relationships among vetulicolians as a group: Aldridge...
-
grade of the
vetulicolians closest to
crownward chordates as
shown in this
simplified cladogram: An
earlier study in 2014
place vetulicolians as the sister-group...
- structure, as have some
other vetulicolians such as
Nesonektris and Vetulicola. The
recent consensus places vetulicolians as stem-chordates, but their...
-
forms of size
similar to
other adult vetulicolians had been
found prior to Ooedigera. Like
other vetulicolians, the tail was asymmetrical, flattened...
