-
onychophoran with a
minimum age of 300 million
years ago,
resulting in a
divergence date of 376 million
years ago for the
crown group onychophorans....
-
priapulids and
onychophorans,
there is a
layer of
outermost circular muscles and a
layer of
innermost longitudinal muscles. The
onychophorans also have a...
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these features were
convergently evolved between onychophoran and
arthropod lineages.
Onychophorans and
tardigrades shared some
lobopodian traits (e.g...
-
modern onychophorans. On the
other hand, some
analysis rather support the
position of
Hallucigenia as a
basal panarthropod outside of
onychophoran stem-group...
-
Burgess shale.
Extant phyla in
these rocks include molluscs, brachiopods,
onychophorans, tardigrades, arthropods,
echinoderms and hemichordates,
along with...
-
spiders and scorpions; the crustaceans; and the uniramia,
consisting of
onychophorans,
myriapods and hexapods.
These arguments usually byp****ed trilobites...
-
second antennae possibly homologous to the
slime papillae of
modern Onychophorans, a straight,
voluminous midgut,
diminutive spines arra**** on the leg...
-
vertebrates have a true brain,
though precursor structures exist in
onychophorans,
gastropods and lancelets. The rest of this
article exclusively discusses...
-
Antennipatus is an
extinct genus of
onychophoran (velvet worm). This
genus is
notable for
being the
oldest known onychophoran fossil,
which comes from France...
- evident. A pair of legs
marks the
posterior end of the body,
unlike in
onychophorans where the ****
projects posteriad; this may be an
adaptation to the...
