- biominerals. Like scorpions,
xiphosurans have an
exocuticular layer of
hyaline which exhibits UV fluorescence.
Xiphosurans have up to four eyes, located...
- This list of
xiphosurans is a
comprehensive listing of all
genera that have ever been
included in the
order Xiphosura,
excluding purely vernacular terms...
-
Austrolimulus fletcheri is an
extinct xiphosuran,
related to the
modern horseshoe crab. The
holotype and only
known specimen is from
Middle Tri****ic-aged...
-
Euproops is an
extinct genus of
xiphosuran,
related to the
modern horseshoe crab. It
lived during the
Carboniferous Period. The
Treatise on Invertebrate...
- S2CID 135183999. E. S. Shpinev; D. V.
Vasilenko (2018). "First
fossil xiphosuran (Chelicerata, Xiphosura) egg
clutch from the
Carboniferous of Khak****ia"...
- this time. The
surviving marine species include the four
species of
xiphosurans (horseshoe crabs), and
possibly the 1,300 species of
pycnogonids (sea...
-
crabs are
arthropods of the
family Limulidae and the only
surviving xiphosurans.
Despite their name, they are not true
crabs or even crustaceans; they...
- tail" for its
perceived relation to
Belinurus at the time) is a
genus of
xiphosuran from the Devonian. It is part of the
family Kasibelinuridae. The type...
-
Lunataspis is the
oldest known xiphosuran, with two
known species both
dating from the late
Ordovician (latest
Sandbien for L.
borealis to
earliest Hirnantian...
- may be
gained over the
course of
ontogeny in some lineages, such as
xiphosurans and sea spiders).
Whether eurypterids were true
direct developers (with...
