- clade"
containing the Trilobita,
recognizing the
close affinities of the
nektaspids to trilobites.
However this
necessitates the
inclusion of
genera that...
- Late
Devonian extinction. They
contain groups such as the trilobites,
nektaspids, aglaspidids, and the
cheloniellids among others.
Chelicerates comprise...
-
Liwia is a
genus of
liwiid nektaspid. It
includes the
species Liwia plana and
Liwia convexa, both
known from
borehole samples several kilometers in depth...
- two
major clades; one
reusing Trilobitomorpha to encomp**** trilobites,
nektaspids,
concilitergans and xandarellids, and the
other called Vicissicaudata...
- P.
spinosa and P. tetranodus.
Panlongia is a flat, 2 cm (0.8 in) long
nektaspid, with an oval-shaped non-calcified exoskeleton. Both the head
shield (or...
-
Buenaspis is a
genus of
small ( 1 to 3
centimetres (0.39 to 1.18 in) long)
nektaspid arthropod, that
lived during the
early Cambrian period.
Fossil remains...
- GarcíA‐Bellido,
Diego C.; Jago,
James B.; Gehling,
James G. (March 2010). "
Nektaspid arthropods from the
Lower Cambrian Emu Bay
Shale Lagerstätte,
South Australia...
- is an
extinct species of soft-s****ed trilobite-like
arthropod of the
nektaspid order from the
Lower Cambrian (Cambrian
Stage 4) of
South Australia. It...
- Antcliffe,
Jonathan B; Bath Enright, Orla G; Daley,
Allison C (2020). "A new
nektaspid euarthropod from the
Lower Ordovician strata of Morocco".
Geological Magazine...
-
barren sea floor.
These include brachiopods, eurypterids, conodonts,
nektaspids, trilobites, a
lobopodian and
orthoconic cephalopods. The environment...
