Chelicerata
Videos
The subphylum Chelicerata constitutes one of the two major living subdivisions of the phylum Arthropoda, alongside Mandibulata. Chelicerates include the sea spiders, horseshoe crabs, and arachnids, as
Female scorpion Vaejovis cashi carrying its young (white)
A microscopic mite Lorryia formosa
Ammothea hilgendorfi 3281
Promegistus armstrongi 335075066
Sea spider
Videos
Sea spiders are marine arthropods of the class Pycnogonida, hence they are also called pycnogonids. The class includes the only extant order Pantopoda, alongside a few fossil species which could trace
Chelicerata
…κέρας (kéras) 'horn') constitutes one of the two major living subdivisions of the phylum Arthropoda, alongside Mandibulata. Chelicerates include the sea spiders, horseshoe crabs, and arachnids (including harvestmen, scorpions, spiders, solifuges, ticks, and mites, among many others), as well as a number of…
Callipallene brevirostris
Ventral view and leg base of Chaetonymphon spinosum
Pseudopallene pachycheira, showing robust chelifores and the absence of palps.
Pycnogonum litorale, showing the absence of both chelifores and palps. Ovigers are absent in female.