- The
pygidium (pl.: pygidia) is the
posterior body part or
shield of
crustaceans and some
other arthropods, such as
insects and the
extinct trilobites....
-
based on the
pygidium being micropygous (
pygidium smaller than cephalon),
subisopygous (
pygidium sub
equal to cephalon),
isopygous (
pygidium equal in size...
-
Rhizosomichthys Bathophilus Miles, 1942
Bathypygidium Whitley, 1947 Of
Rhizosomichthys totae Pygidium totae Miles, 1942
Trichomycterus totae (Miles, 1942)...
-
Hatcheria macraei (Girard, 1855)
Synonyms Thrichomycterus macraei Girard, 1855
Pygidium Burmeisteri Berg, 1895
Hatcheria patagoniensis Eigenmann, 1909 Hatcheria...
-
elytron (wing cover), 5: tibia, 6: tarsus, 7: claws, 8: mouthparts, 9: prothorax, 10: mesothorax, 11: metathorax, 12:
abdominal sternites, 13:
pygidium....
-
organs such as antennae, a
thorax of
multiple similar segments (that in some
species allowed them to roll up into a ball), and a
pygidium, or tail section....
-
There are very long
furrows in the
pygidium. The
flaps in
these furrows bulge outwards to the
edges of the
pygidium and have a
pointed tip. The rearmost...
-
structures including Dufour's glands,
poison glands and
glands on the hindgut,
pygidium, ****, sternum, and hind tibia.
Pheromones also are exchanged, mixed...
- 19–21
segments and
adorned with longish,
recurved pleural spines. Its
pygidium was
comparatively small.
Paradoxides is a
characteristic Middle-Cambrian...
-
studies revealed the
pygidium had
distinct triangular shape and a
parallel row of tiny
posterior spikes.
Between the
cephalon and
pygidium was an elongated...
