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Lomankus is an
extinct genus of
megacheiran (great appendage)
arthropod known from the
upper Ordovician aged Beecher's
Trilobite Bed,
within the larger...
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environments worldwide from the
lower Cambrian to the
upper Ordovician.
Megacheirans are
defined by
their possession of
uniramous "great appendages", which...
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Oelandocaris is an
extinct genus of stem-mandibulate, or
possibly a
megacheiran,
within the
family Oelandocarididae.
Oelandocaris has a
large head segment...
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Leanchoilia is a
megacheiran arthropod known from
Cambrian deposits of the
Burgess Shale in
Canada and the
Chengjiang biota of China. L.
superlata was...
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between frontal appendages and the original,
morphologically distinct megacheiran great appendages is questionable.). They are
sclerotized (hardened) and...
- 2015
researchers could confirm neither the head
configuration nor the
megacheiran interpretation of the anatomy.
Kootenichela has been
subsequently suggested...
- non-biomineralized arthropods,
among them Squamacula, Kangacaris, and the
megacheiran Tanglangia, are
known only from the Emu Bay
Shale and Chengjiang. The...
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Haikoucaris is a
genus of
megacheiran arthropod that
contains the
single species Haikoucaris ercaiensis. It was
discovered in the
Cambrian Chengjiang...
-
suggested to bear exites,
which were
described as
similar those of the
megacheiran Leanchoilia and
probably not
homologous to
those present in crustaceans...
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Yawunik is an
extinct genus of
Cambrian megacheiran ("Great appendage" arthropod)
known from the
Burgess Shale in
Canada (Marble
Canyon locality). The...
