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Noun1.Scorpionida - true scorpions
animal order - the order of animals
Arachnida, class Arachnida - a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings
scorpion - arachnid of warm dry regions having a long segmented tail ending in a venomous stinger
References in periodicals archive ?
Autecology of Silurian Xiphosurida, Scorpionida, and Phyllocarida Special Papers in Palaeontology 32: 27-37.
2005), and arachnids of the orders Aranea (Gertsch 1979) and Scorpionida (Hadley and Williams 1968).
Acari included Arachnida, Pseudoscorpionida, Scorpionida, Oribatei, Mesostigmata, Astigmata and Ixodidae.