Chelicerata

Chelicerata; Temporal range: Middle Cambrian–Present, 508 – 0 Mya PreЄ Є O S D C P T J K Pg N
	A collection o modren an extinct chelicerates. Clockwise frae tap left: a sea speeder, Pentecopterus (an extinct eurypterid), a spiny orb-weaver an an Atlantic horseshae crab.
Scientific classification
Kinrick:	Animalia
Phylum:	Arthropoda
Clade:	Arachnomorpha
Subphylum:	Chelicerata; Heymons, 1901
Groups
	†Sanctacarididae; Pycnogonida; Euchelicerata †Dibasterium; †Offacolidae; Prosomapoda; ;
Synonyms
	Cheliceriformes Schram an Hedgpeth, 1978;

The subphylum (or phylum^[1]) Chelicerata (/kəˌlɪsəˈreɪtə/ or /kəˌlɪsəˈrɑːtə/; New Laitin, frae French chélicère, frae chél "claw, chela" an -cère frae the Greek keras, meanin "horn") constitutes ane o the major subdivisions o the phylum (or superphylum^[1]) Arthropoda, an includes horseshae crabs, scorpions, speeders, mites, harvestmen, ticks, an Solifugae.

References

↑ ^a ^b Margulis, Lynn; Schwartz, Karlene (1998), Five Kingdoms, An Illustrated Guide to the Phyla of Life on Earth (third ed.), W.H. Freeman and Company, ISBN 0-7167-3027-8

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