- 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...
- "Taxonomy and
paleobiology of some
Middle Cambrian Scenella (Cnidaria) and
Hyolithids (Mollusca) from
western North America" (PDF).
University of
Kansas Paleontological...
- Fatka, Oldřich; Marek,
Ladislav (2017). "Slapylitidae: A new
family of
hyolithids (Cambrian–?Devonian; Baltica, Laurentia, Gondwana)". Paläontologische...
- site
include trilobites, radiodonts, lobopods, bradoriids, brachiopods,
hyolithids, mollusks, chancelloriids, kinorhynchs, priapulids, and
articulated sponge...
- Gut
contents show that this worm was a predator,
often feasting on the
hyolithid Haplophrentis (a s****ed
animal similar to mollusks),
generally swallowed...
-
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...
- s****. As with
Triplicatella and Hyptiotheca, its
designation to the
hyolithids or
orthothecids is not straightforward,
exhibiting as it does a mixture...
- scavengers. Most of the
fauna is biomineralized,
including brachiopods,
hyolithids, trilobites, archeocyathids, and helicoplacoids,
which are
often articulated...
