-
characterized by the
presence of
specialized respiratory structures and
brachiole plates used for feeding. It
ranged from the
Cambrian to the Permian. A...
- Late
Silurian periods. They are the
earliest known group of stalked,
brachiole-bearing echinoderms, and were the most
common echinoderms during the Cambrian...
- long thin fine
structures called brachioles,
which were used to trap food
particles and
bring them to the mouth.
Brachioles were
delicate structures, and...
- was a
modified globe with
meridional symmetry.
Echinozoans lack arms,
brachioles, or
other appendages, and do not at any time
exhibit pinnate structure...
-
grooves extending down the side of the body,
fringed on
either side by
brachioles, like the
pinnules of a
modern crinoid. Eventually, the
mobile eleutherozoans...
- Kinzercystis, It bore a stalk, with
which it
attached to firm substrates; and
brachioles arising as
lateral branches from its arms. It is only
known from the late...
- Waters, Bohatý &
Macurda (2024). A
study on the
microstructure of the
brachiole and the
theca ossicles of eocrinoids, as
indicated by data from Sinoeocrinus...
- "Pelmatozoan arms from the mid-Cambrian of Australia:
Bridging the gap
between brachioles and brachials? Comment:
There is no bridge". Lethaia. 43 (3): 432–440...
- stylophorans,
rested flat on the sea floor. In some
forms the
single ray (
brachiole or aulacop****)
possessed an
ambulacral groove. It has been
claimed that...
-
seafloor with the
pointed end of the cone down in the sediment, and a
single brachiole extending from a hole in the
upper surface. However, a
recent re-****essment...
