- bed. The
operculum closes over the
aperture of the s****,
leaving (in
hyolithids) two gaps
through which the
helens can protrude. It
comprises two parts:...
-
Haplophrentis is a
genus of tiny s****ed
hyolithid which lived in the
Cambrian Period. Its s**** was long and conical, with the open end
protected by...
- Gut
contents show that this worm was a predator,
often feasting on the
hyolithid Haplophrentis (a s****ed
animal similar to mollusks),
generally swallowed...
- lophophorates, one of the two
orders of
hyolithid, the
other being the Orthothecida. Most of our
knowledge of the
hyolithids comes from
studies on the Hyolithida...
-
centimeter (5.1 in) long
predator of the
Burgess Shale, and ate
trilobites and
hyolithids. It was
named after Walcott's
second son, Sidney.
Tegopelte Arthropoda...
-
Slapylitidae is a
family of
hyolithid hyoliths known from
articulated skeletons that lack helens. This
family is now extinct. The two
genera included...
-
similarities with
sections of cloudinids, protoconodonts,
anabaritids and
hyolithids, and
interpreted as
likely remains of
early animals.
Delahooke et al....
-
argillite limestone. The
Hoppin Formation contains fossil trilobites,
hyolithids and volbort****ids. It is
capped off by
poorly fossiliferous purple, red...
-
taxon Molluscata,
which he
proposed should also
contain the
molluscs and
hyolithids. When he
later described the
first fairly complete specimens of Halkieria...
- long
predator of the
Burgess Shale, and ate trilobites, ostracods, and
hyolithids. It was
named after Walcott's
second son, Sidney.
Leanchoilia Arthropoda...
