- motion,
eating food by engulfment,
reproducing by
fission or budding,
placozoans are
described as "the
simplest animals on Earth."
Structural and molecular...
- junctions, and desmosomes. With few exceptions—in particular, the
sponges and
placozoans—animal
bodies are
differentiated into tissues.
These include muscles,...
-
Cladtertia is a
genus of
placozoan discovered in 2022. The
genus contains a
single described species,
Cladtertia collaboinventa,
although several other...
- of the
genus Polyplacotoma. They
differ greatly from
other species of
placozoans with
regards to
their morphology and
genetic makeup, and have been ranked...
-
Maculicorpus is a
genus of
fossil placozoan from the
Middle Tri****ic of Germany, and the
first placozoan known from the
fossil record. It
comprises a single...
-
Hoilungidae is a
recently created placozoan family comprising Hoilungia and
other yet-undescribed species.
Named in 2022, it is
believed to be sister...
- a few exceptions—most
notably the two
phyla consisting of
sponges and
placozoans—animals have
bodies that are
differentiated into tissues.
These include...
-
where complex metazoan life
forms (including the
earliest cnidarians,
placozoans and bilaterians)
first proliferated. The
following time span from 539...
- the main
components of
nervous tissue in all
animals except sponges and
placozoans.
Plants and
fungi do not have
nerve cells.
Molecular evidence suggests...
- some sponges, some
acoels (e.g., Convolutriloba),
echinoderm larvae,
placozoans, symbions, pterobranchians, entoproctans, some polychaetes, bryozoans...
