-
identical with that of
priapulids,
indicating that
their mouth is an
original trait inherited from the last
common ancestor of both
priapulids and arthropods...
-
specimens often being wider than
longer ones. The
characteristic proboscis of
priapulids is
present at the anterior,
attached to the
trunk of the animal, proceeded...
- that
arthropods were
closely related to
other groups such as nematodes,
priapulids and tardigrades, but
these remained minority views because it was difficult...
-
shipworms Mollusca,
including slugs, sea slugs, polychaetes, sea mice,
priapulids, salps, jellyfish, starfish, and sea
urchins Testacea,
including chitons...
- it was
reinterpreted as a
gigantic priapulid, at
least 1
metre (3.3 ft) long, far
exceeding most
known priapulids in size. Its
specific name, amplus,...
- with a
pharynx include the tardigrades,
annelids and arthropods, and the
priapulids (which have an
eversible pharynx). The "pharynx" of the
nematode worm...
- Morris, S. "Fossil
priapulid worms".
Special Papers in Palaeontology. 20. Haaramo,
Mikko (2003). "Scalidophora – †palaeoscolecids,
priapulids, mud
dragons and...
- "worms"
include annelids, nematodes, flatworms, nemerteans, chaetognaths,
priapulids, and
insect larvae such as
grubs and maggots. The term "helminth" is sometimes...
-
benthic ecosystem,
often inhabiting sandy or
muddy substrates. Like
other priapulids, it has a
relatively simple body
structure and is
considered a predator...
- same
build as
modern priapulids, but
phylogenetic analysis indicates that it
falls outside the
crown group,
making it a stem
priapulid. The name plesion...