-
typical hurdiid radiodont like
Peytoia and Hurdia,
which is
smooth and
tetraradial. As a
shared character across radiodonts,
Anomalocaris also had three...
-
giving the oral cone a
triradial (e.g. Anomalocaris, Echidnacaris) or
tetraradial (e.g. Hurdiidae, Lyrarapax) appearance. The
inner margin of
tooth plates...
-
differentiated from
other radiodont groups by
their large head sclerites,
their tetraradial mouth-parts, and
their appendages bearing around five
subequal endites...
-
Pradip K.; Linden, Antony; Roe,
Stephen P. (1994). "Crystal
Chemistry of
Tetraradial Species. Part 5.
Interaction Between Cation Lone
Pairs and
Phenyl Groups...
- acknowledgement. A
closer examination of the
specimen has
identified a
tetraradial symmetry in the body, and a frond-like
morphology which closely resembles...
- Linden, Antony; Roe,
Stephen P. (1994-08-01). "Crystal
chemistry of
tetraradial species. Part 5.
Interaction between cation lone
pairs and
phenyl groups...
-
subequal blade-like endites,
alongside the
enlarged head
carapaces and
tetraradial mouthpart (oral cone). The
frontal appendages of
hurdiids have a distinctive...
-
Pradip K.; Linden, Antony; Roe,
Stephen P. (1994). "Crystal
chemistry of
tetraradial species. Part 5.
Interaction Between Cation Lone
Pairs and
Phenyl Groups...
- a lot of
features that are
characteristic of
dinocaridids (including
tetraradial mouthparts,
flapping trunk appendages, and
lobopod like legs). The specimen...
- claw-like
dorsal and
terminal spines. The
mouth was
surrounded by a
tetraradial oral cone,
which comprises 28
tooth plates instead of 32 like
those of...