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Priapulida (
priapulid worms, from Gr. πριάπος, priāpos 'Priapus' + Lat. -ul-, diminutive),
sometimes referred to as **** worms, is a
phylum of unsegmented...
- stem-group
archaeopriapulid worm
known from
Cambrian fossils.
Although priapulid-like
worms from
various Cambrian deposits are
often referred to Ottoia...
- that
arthropods were
closely related to
other groups such as nematodes,
priapulids and tardigrades, but
these remained minority views because it was difficult...
-
mouthparts of anomalocaridids. When
first named, it was
interpreted as a
giant priapulid, but is now
considered a panarthropod. Its
mouth apparatus closely resembles...
- is a
group of
priapulid worms known from
Cambrian lagerstätte. The
group is
closely related to, and very
similar to, the
modern Priapulids. It is unclear...
-
Halicryptus is the sole
genus of its
class of
priapulid worms, and has an
important effect on the
structure of soft-sediment communities. This
genus contains...
- Sean B.; Balavoine,
Guillaume (1999). "Hox
genes in
brachiopods and
priapulids and
protostome evolution". Nature. 399 (6738): 772–776. Bibcode:1999Natur...
- with a
pharynx include the tardigrades,
annelids and arthropods, and the
priapulids (which have an
eversible pharynx). The "pharynx" of the
nematode worm...
-
Despite this lack of
fossil evidence,
surface trails produced by
modern priapulid worms exhibit the same
probing morphology as Treptichnus,
suggesting a...
-
animal that fed by
deposit feeding.
While originally suggested to be a
priapulid (**** worm), a 2020
study proposed to be a stem-group ecdysozoan, due...
