-
first appears during the late Devonian. A
major radiation of
freshwater xiphosurids, the
Belinuridae is
known from the Carboniferous, with the
oldest representatives...
-
Young &
Godfrey S.
Nowlan (2008). "The
oldest horseshoe crab: a new
xiphosurid from Late
Ordovician Konservat-Lagerstätten deposits, Manitoba, Canada"...
-
Russell D.C. Bicknell;
Stephen Pates; Mark L.
Botton (2018). "Abnormal
xiphosurids, with
possible application to
Cambrian trilobites".
Palaeontologia Electronica...
-
Young &
Godfrey S.
Nowlan (2008). "The
oldest horseshoe crab: a new
xiphosurid from Late
Ordovician Konservat-Lagerstätten deposits, Manitoba, Canada"...
-
Austrolimulids are
known for
amongst the most
extreme morphologies among Xiphosurids,
including large elongated genal spines.
Unlike living Limulids, Austrolimulids...
-
horseshoe crab from the Permian-Tri****ic
transition of
South China:
Xiphosurids as key
components of post-extinction
trophic webs". Palaeogeography,...
-
bradoriid instead. J. Bergström (1968). "Eolimulus, a
Lower Cambrian xiphosurid from Sweden".
Geologiska Föreningen i
Stockholm Förhandlingar. 90 (4):...
- G.A. & Nowlan, G.S. (January 2008), "The
Oldest Horseshoe Crab: a New
Xiphosurid from Late
Ordovician Konservat-Lagerstätten Deposits, Manitoba, Canada"...
-
Cretaceous Two
Medicine Formation of Montana, USA, and a
brief review of the
xiphosurid ichnological record".
Journal of Paleontology. 94 (5).
Cambridge University...
- 12306. Bergström, Jan (20
December 1968). "Eolimulus, A
Lower Cambrian Xiphosurid from Sweden".
Geologiska Föreningen i
Stockholm Förhandlingar. 90 (4):...
