- of
extinct Paleozoic arthropods. As of 2018, 7
monotypic genera of
cheloniellids had been
formally described,
whose fossils are
found in
marine strata...
-
lacking eyes, many
cheloniellids also lack eyes, such as
Duslia and Neostrabops. Tardisia,
while closest resembling cheloniellids, has some key differences...
-
styliform telsons and
relatively small, flap-like
caudal appendages while cheloniellids and
Tardisia have much
longer caudal appendages similar to the caudal...
-
contain groups such as the trilobites, nektaspids, aglaspidids, and the
cheloniellids among others.
Chelicerates comprise the
marine sea
spiders and horseshoe...
-
other called Vicissicaudata encomp****ing aglaspidids,
xenopods and
cheloniellids.
There are some taxa, such as
Squamacula and the
members of "Protosutura"...
- ****igned to an
extinct group of
early Paleozoic arthropods known as
cheloniellids in a Ph.D dissertation, but the name was
never published in a peer-reviewed...
- widely-referred
reconstruction by Stürmer & Bergström (1978), but as most of the
Cheloniellids,
There is no
evidence of
telson (a
medial tail-like
terminal structure)...
- trilobites, chelicerates, and less
familiar groups like thylacocephalans,
cheloniellids and
marrellomorphs are known. Also
found are
enigmatic arthropods whose...
-
uncertain affinities,
originally named as
Magnoculus Cheloniellon A
cheloniellid Palaeoscorpius A
primitive scorpion Schinderhannes 1
Specimen A radiodont...
- they were re****igned as a trilobite, a
glyptocystitid echinoderm and a
cheloniellid arthropod, respectively.
Paleomeridae was also
previously included as...
