- 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...
- two
major clades; one
reusing Trilobitomorpha to encomp**** trilobites,
nektaspids,
concilitergans and xandarellids, and the
other called Vicissicaudata...
-
barren sea floor.
These include brachiopods, eurypterids, conodonts,
nektaspids, trilobites, a
lobopodian and
orthoconic cephalopods. The environment...
- of trilobites, non-biomineralized
arthropods (including megacheirans,
nektaspids, and hymenocarines), radiodonts, palaeoscolecids, a lobopodian, a polychaete...
- Artiopoda. It has
subsequently been
considered a
potential close relative of
nektaspids. Stein, Martin; Budd,
Graham E; Peel, John S; Harper,
David AT (2013)...
-
contains a wide
number of
other fauna, such as the
conodont Promissum, the
nektaspid Soomaspis, an
undescribed lobopodian, and the
eurypterid Onychopterella...
- 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...
-
morphological similarities to
trilobites and
other related artiopodans like
nektaspids, and
their placement as stem-crustaceans was unsupported. The
study recovered...
-
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...
