-
constitutes one of the
major subdivisions of the
phylum Arthropoda.
Chelicerates include the sea spiders,
horseshoe crabs, and
arachnids (including harvestmen...
- to
palps or palpi) are the
secondary pair of
forward appendages among chelicerates – a
group of
arthropods including spiders, scorpions,
horseshoe crabs...
-
fully sequenced in 2011, and was the
first genome sequence from any
chelicerate. T.
urticae was
originally native only to Eurasia, but has
acquired a...
-
tetrapulmonate book
lungs and
their significance for
chelicerate phylogeny The
diversity and
evolution of
chelicerate hemocyanins Scholtz, Gerhard; Kamenz, Carsten...
-
early stage of development, so that
chelicerates lack the
antennae typical of most arthropods. In fact,
chelicerates' only
appendages ahead of the mouth...
-
arthropods are a
monophyletic group and are
divided into
three main clades:
chelicerates (including arachnids),
pancrustaceans (the
paraphyletic crustaceans plus...
- (the tetrapulmonates); the
arachnids as a
whole evolved from
aquatic chelicerate ancestors. More than 45,000
extant species have been described, organised...
-
Megacheira as
closely related to
chelicerates,
while others recover them as
outside the
group containing Chelicerate and
Mandibulata as stem-group euarthropods...
-
Shale of
British Columbia. It was most
famously regarded as a stem-group
chelicerate, a
group which includes horseshoe crabs,
spiders and scorpions, although...
-
close relatives (Artiopoda),
Megacheira (which may be paraphyletic) and
chelicerates.
Under this
proposed classification scheme,
Arachnomorpha is considered...
