noun
Chelicerata; chelicerates
A taxonomic subphylum of arthropods that includes spiders, scorpions, mites, and horseshoe crabs. Used in biological and zoological contexts.
鋏角類にはクモやサソリが含まれる。
Chelicerates include spiders and scorpions.
節足動物 is the broader phylum Arthropoda, while 鋏角類 is a subphylum within it.
From 鋏角 (chelicera) + 類 (group, category). The term is a modern taxonomic coinage.