-
arthropods may be
either biramous or uniramous. A
uniramous limb
comprises a
single series of
segments attached end-to-end. A
biramous limb, however, branches...
- (armor plate) and
bearing a pair of
biramous limbs. However,
whether the
ancestral limb was
uniramous or
biramous is far from a
settled debate. This Ur-arthropod...
- arthropods, such as insects,
myriapods and chelicerates, by the
possession of
biramous (two-parted) limbs, and by
their larval forms, such as the
nauplius stage...
-
rigid pleotelson. The
first five
abdominal segments each bear a pair of
biramous (branching in two)
pleopods (lamellar
structures which serve the function...
- (unbranched) antenna-like structures,
followed by one or more
pairs of
biramous (having two
major branches) leg-like structures, as seen in some modern...
- also has four
pairs of
biramous (two branched) limbs. The
trunk has 6
tergites (segments), each ****ociated with a pair of
biramous limbs along with a terminal...
- (the inner, leg-like
parts of the
biramous limbs/appendages) have well
defined segments/podomeres. The
first four
biramous limb
pairs of
Isoxys curvirostratus...
- the
first 11
thoracic segments are ****ociated with
pairs of
biramous limbs. The
biramous limbs have
robust endopods (lower, leg-like branches), and flap-shaped...
- gonopods. At the end of the
pleon is the tail fan,
comprising a pair of
biramous uropods and the telson,
which bears the ****. Together, they are used for...
-
Segments in the
pygidium are
similar to the
thoracic segments (bearing
biramous limbs) but are not articulated.
Trilobites can be
described based on the...
