-
Wiwaxia is a
genus of soft-bodied
animals that were
covered in
carbonaceous scales and
spines that
protected it from predators.
Wiwaxia fossils—mainly...
-
Shale organisms, such as Canadia, may also have
polychaete affinities.
Wiwaxia, long
interpreted as an annelid, is now
considered to
represent a mollusc...
-
common spongelike animal called Chancelloria; an
armored slug-like form
Wiwaxia; an
armored worm with a pair of brachiopod-like s**** Halkieria; and another...
-
combining the
names of two
members of the
proposed group,
Halkieria and
Wiwaxia. The
group was
defined as a set of
Early to Mid
Cambrian animals that had:...
- that Odontogriphus's
feeding apparatus,
which is "nearly identical" to
Wiwaxia's, is an
early version of the
molluscan radula, a
chitinous "tongue" that...
- "great aunt" of
annelids and
Wiwaxia was an "aunt" of annelids.
Their claim of a
close relationship between halkieriids and
Wiwaxia was
based on both groups'...
- "probable bilaterian", if that.
There is an even
sharper debate about whether Wiwaxia, from
about 505 million
years ago, was a mollusc, and much of this centers...
-
sclerites are very
similar to
those of its
Burgess Shale contemporary Wiwaxia. Its s**** is very
similar to: one of the two
Burgess Shale s**** types...
- than "probable bilaterian".
There is an even
sharper debate about whether Wiwaxia, from
about 505 million
years ago, was a mollusc, and much of this centers...
-
academic who has so far
published articles placing Wiwaxia closer to polychaetes,
stated that
Wiwaxia′s two-row
feeding apparatus could not have performed...
