-
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...
- (unbranched) antenna-like structures,
followed by one or more
pairs of
biramous (having two
major branches) leg-like structures, as seen in some modern...
-
lacks clear segmentation (arthrodization).
Along the body are
pairs of
biramous appendages, the
counts of
which differ between species (Isoxys curvirostratus...
- secondarily. The head
bears two
pairs of antennae, the
first of
which is
often biramous (branching into two parts) and the
second pair bear
exopods (outer branches)...
- 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...
-
detailed appendages were uncovered, that
showed that N.
compacta shares biramous legs of very
comparable anatomy with trilobites. Some
debate is
still going...
-
Generalized arthropod biramous limb.
Trueman proposed that an
endite and an
exite fused to form a wing....
-
Segments in the
pygidium are
similar to the
thoracic segments (bearing
biramous limbs) but are not articulated.
Trilobites can be
described based on the...