- 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:...
- 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...
-
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...
-
Slapylitidae is a
family of
hyolithid hyoliths known from
articulated skeletons lacking helens. The two
included genera,
Slapylites and
Nevadalites ,...
-
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...
- Conglomerate. Here it
yields a rich ****emblage of Estaingia, Redlichia,
hyolithids, brachiopods, and the scleritome-bearing Chancelloria. At the Big Gully...
- S2CID 252747552. Liu, F.; Skovsted, C. B.; Topper, T. P.; Zhang, Z. (2022). "
Hyolithid-like
hyoliths without helens from the
early Cambrian of
South China, and...
- long
predator of the
Burgess Shale, and ate trilobites, ostracods, and
hyolithids. It was
named after Walcott's
second son, Sidney.
Leanchoilia Arthropoda...
-
argillite limestone. The
Hoppin Formation contains fossil trilobites,
hyolithids and volbort****ids. It is
capped off by non-fossiliferous red and green...
