-
classified into the Cnidaria. The
basic body plan of
trilobozoans is
often a
triradial or
radial sphere-shaped form with
lobes radiating from its centre. Fossils...
-
family Amplectobeluidae (e.g. Amplectobelua, Lyrarapax) by the
presence of
triradial oral cone and non-hypertrophied
first distal endite.
Compared to Hurdiidae...
-
Amangeldi District of
Kostanay Region,
northern Kazakhstan. The Tur****
triradial swastika, one of a
number of
Neolithic earth constructions known to archaeologists...
-
Anomalocaris (A),
Peytoia (B) and
Hurdia (C), the
former showing unique triradial,
tuberculated and
wrinkled structures The
mobility of
radiodont trunk...
- ****ules,
whose symmetry historically suggested a
relationship with the
triradial calcarean sponges. The sponge-like
Cambrian Hetairacyathidae may be related...
-
sister to all
other echinoderms) and
Helicocystis (seen as
bridging the
triradial helicoplacoids and the
pentaradial crown group). They cite
research indicating...
-
reproductive organ containing the carpel,
style and stigma. Three-fold
triradial symmetry was
present in
Trilobozoa from the Late
Ediacaran period. Four-fold...
-
possibly an
adaptation to
seeing in low-light waters. The oral cone was
triradial with
three large plates, with the
plates being studded with
numerous tubercules...
- characteristics, such as the "staggered" or
glide symmetry of its units, or
triradial symmetry otherwise only seen in
trilobozoans like Tribrachidium. Pteridinium...
- studies). 3 or 4
tooth plates might be enlarged,
giving the oral cone a
triradial (e.g. Anomalocaris, Echidnacaris) or
tetraradial (e.g. Hurdiidae, Lyrarapax)...
