Dekatriata is a clade of chelicerates, it is made up of Arachnida (Spiders, scorpions, mites, and their relatives), Chasmataspidida (extinct chelicerate group), Eurypterida (Sea Scorpions), as well as genuses of Winneshiekia and Houia.[1]
- ↑ Lamsdell, James; Briggs, Derek E. G.; Liu, Huaibao P.; McKay, Robert M. (2015). "A new Ordovician arthropod from the Winneshiek Lagerstätte of Iowa (USA) reveals the ground plan of eurypterids and chasmataspidids". The Science of Nature. 102 (9–10): 63. Bibcode:2015SciNa.102...63L. doi:10.1007/s00114-015-1312-5. PMID 26391849. S2CID 8153035.