Subphylum Chelicerata Heymons 1901 (arthropod)
Parent taxon: Deuteropoda according to J. Ortega-Hernández 2016
See also Bengtson 1992, Dunlop et al. 2003, Lamsdell 2016, Nielsen 2012, Siveter et al. 2004 and Sutton et al. 2002
Sister taxa: Fuxianhuiida, Isoxyida, Mandibulata, Megacheira
Subtaxa: Euchelicerata Gumatagichnus Habeliida Limulus nathorsti Mollisoniida Offacolidae Sanctacaris
Ecology: