- The
pygidium (pl.:
pygidia) is the
posterior body part or
shield of
crustaceans and some
other arthropods, such as
insects and the
extinct trilobites...
-
entire body, from
cephalon (head) to
pygidium (tail). The
sections of the
pygidia are leaf-like in
shape and also
typically end in spines. The
order is divided...
- cephalon). They also
typically have 12 or more
thoracic segments. The
pygidia are
usually small. The
families of
Harpetida were
formerly included in...
-
touching the border. Two
species are known, one, T. idahoensis, only from
pygidia.
Thoracocare is
derived from the Gr**** θώραξ (thorax)
meaning "breastplate"...
- both
glabella variation, and in the
structure of the genera's
respective pygidia. Tairong, Zhang. "NEW
MATERIALS OF
TAKLAMAKANIINAE FROM THE
MIDDLE ORDOCICIAN...
-
County in
north Hunan, China.
Fossil material include a
cephalon and two
pygidia. It was
found to
belong to
family Diplagnostidae,
subfamily Pseudagnostinae;...
-
Sphaeragnostus are
extremely effaced and look much like
Leiagnostus species.
Pygidia of
Sphaeragnostus however,
differ from
other highly effaced genera in a...
- more
forward directed toward the pygidium. The eyes are
typically large.
Pygidia are
typically large,
competing in size with the
cephalon in some species...
-
resemble A.
maculosum in appearance. The two
species have
similar spiniform pygidia, as well as
largely rounded sixth sterna (although that of A. manicatum...
-
Upper Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Disarticulated cephalons and
pygidia of
Agnostus pisiformis, from Kinnekulle,
Sweden Scientific classification...
