- biominerals. Like scorpions,
xiphosurans have an
exocuticular layer of
hyaline which exhibits UV fluorescence.
Xiphosurans have up to four eyes, located...
-
species of
xiphosurans and 4
extant species of
xiphosurans recognized as valid.
There is no "official" or "canonical" list of
xiphosuran genera. The...
-
crabs are
arthropods of the
family Limulidae and the only
surviving xiphosurans.
Despite their name, they are not true
crabs or even crustaceans; they...
- may be
gained over the
course of
ontogeny in some lineages, such as
xiphosurans and sea spiders).
Whether eurypterids were true
direct developers (with...
- this time. The
surviving marine species include the four
species of
xiphosurans (horseshoe crabs), and
possibly the 1,300 species of
pycnogonids (sea...
-
reasonable alternative to this view[according to whom?] is to ****ume that
xiphosurans reflect the
morphology of the
primitive arachnid pedipalp and to conclude...
-
Paleontology portal 2005 in
paleontology 2008 in
paleontology List of
xiphosurans David M. Rudkin,
Graham A.
Young &
Godfrey S.
Nowlan (2008). "The oldest...
-
partially shared by both
xiphosurans and
eurypterids (e.g.
genal spines were
found in
eurypterid juveniles; some
xiphosurans have non-chelate
limbs and...
-
Natural Sciences of Philadelphia, 17, 41 - 45. Anderson, L. I. 1994.
Xiphosurans from the
Westphalian D of the
Radstock Basin,
Somerset Coalfield, the...
-
Kasibelinuridae is a
family of
extinct xiphosurans (horseshoe crabs). As of November 2024[update], two
genera are
accepted by the
Paleobiology Database:...
