Chelicerata are a subgroup of the phylum Arthropoda, and includes creatures such as scorpions and the horseshoe crab. They are among some of the oldest surviving creatures from pre-cambrian times.
Usage
See Special:Whatlinkshere/Etymology:Chelicerata for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.