- The
subphylum Chelicerata (from Neo-Latin, from
French chélicère, from
Ancient Gr**** χηλή (khēlḗ) 'claw, chela' and κέρας (kéras) 'horn')
constitutes one...
-
Prosomapoda is a
clade of
euchelicerates including the
groups Xiphosura (horseshoe crabs) and
Planaterga (a
group comprising bunodids, pseudoniscids, chasmataspidids...
-
counted as part of the
prosoma based on
different studies and/or taxa) of
euchelicerates, the
origin of the
additional fifth and
sixth leg
pairs in the polymerous...
-
among other features.[citation needed] They
share with most
other euchelicerates a wide carapace,
which has led to them
being placed in the paraphyletic...
-
Planaterga is a
clade of
prosomapod euchelicerates including several synziphosurid genera (mainly
bunodids and pseudoniscids) and the
group Dekatriata...
-
other euchelicerates done by
Lamsdell 2013,
Weinbergina was
regarded as the
basalmost member of Prosomapoda, a
clade that
included all
euchelicerates except...
- (Xiphosura). It was
later identified as a
grade composed of
various basal euchelicerates,
eventually excluded from the
monophyletic Xiphosura sensu stricto and...
- Offacolus, a
euchelicerate...
- † Orr et al., 2000
Early Arthropod Offa of
Mercia A
fossil genus of
euchelicerate arthropods from the
Silurian Coalbrookdale Formation of Herefordshire...
-
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...
