- The
subphylum Chelicerata (from Neo-Latin, from
French chélicère, from
Ancient Gr**** χηλή (khēlḗ) 'claw, chela' and κέρας (kéras) 'horn')
constitutes one...
-
Offacolidae is a
family of
basal euchelicerate arthropods from the
Ordovician and
Silurian of Europe,
Morocco and
North America. The
family is united...
-
Prosomapoda is a
clade of
euchelicerates including the
groups Xiphosura (horseshoe crabs) and
Planaterga (a
group comprising bunodids, pseudoniscids, chasmataspidids...
-
Dibasterium is an
extinct genus of
euchelicerate, a
group of
chelicerate arthropods.
Fossils of the
single and type species, D. durgae, have been discovered...
-
Offacolus is an
extinct genus of
euchelicerate, a
group of
chelicerate arthropods. Its only species, O. kingi, has been
found in
deposits from the Silurian...
- Offacolus, a
euchelicerate...
- (Xiphosura). It was
later identified as a
grade composed of
various basal euchelicerates,
eventually excluded from the
monophyletic Xiphosura sensu stricto and...
- Hopkins, M. J. (2024). "Late
Ordovician eurypterid preserves oldest euchelicerate musculature in pyrite".
Biology Letters. 20 (7). 20240211. doi:10.1098/rsbl...
-
Venustulus and its
relatives form a
group made up of
various basal euchelicerate arthropods more
distant to the xiphosurans.
Venustulus is the third...
-
Genus Notes Images Offacolus A
euchelicerate, most
common fossil, with over 800
specimens Dibasterium A
euchelicerate Haliestes A sea
spider Xylokorys...
