-
arthropods of the
order Pantopoda (lit. ‘all feet’),
belonging to the
class Pycnogonida,
hence they are also
called pycnogonids /pɪkˈnɒɡənədz/ (named
after Pycnogonum...
-
relationships between most
chelicerate sub-groups, the
inclusion of the
Pycnogonida in this
taxon has
recently been
questioned (see below), and the exact...
- †Cheloniellida †Conciliterga †Xandarellida †Xenopoda
Subphylum Chelicerata Pycnogonida – sea
spiders †Eurypterida – sea
scorpions Xiphosura –
horseshoe crabs...
-
terrestrial arachnids.
These have been
thought to be
related as
shown below. (
Pycnogonida (sea spiders) may be
excluded from the chelicerates,
which are then identified...
-
Pycnogonidae is a
family of sea spiders. Most sea
spiders in the
class Pycnogonida have
appendages on the
anterior end of the body
called chelifores which...
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Phylum Arthropoda class Pycnogonida (?)
Clade Arachnomorpha class †Trilobita
Order †Aglaspida
Order †Strabopida
class Pycnogonida (?)
Order †Cheloniellida...
-
Colossendeis is a
genus of sea
spider (class
Pycnogonida)
belonging to the
family Colossendeidae. The
genus Colossendeis includes the
largest pycnogonids...
- The
largest organisms now
found on
Earth can be
determined according to
various aspects of an organism's size, such as: m****, volume, area, length, height...
-
Arachnida (spiders, scorpions, and kin)
Xiphosura (horseshoe crabs)
Pycnogonida (sea spiders)
Branchiopoda (fairy shrimp,
tadpole shrimp,
water fleas...
- Arthropoda:
Xiphosura euproöps
larva ("trilobite larva") Arthropoda:
Pycnogonida protonymphon Crustaceans General: nauplius, metanauplius, protozoea,...