†order Cheloniellida Broili 1932 (artiopod)
Parent taxon: Vicissicaudata according to R. Lerosey-Aubril et al. 2017
See also Ortega-Hernandez et al. 2013 and Sepkoski 2002
Sister taxa: Aglaspidida, Carimersa, Emeraldella, Eozetetes, Kodymirus, Sidneyia, Xenopoda
Subtaxa: Cheloniellon Duslia Neostrabops Triopus
Ecology:
Distribution: found only at Midshelf setting ( of Czech Republic)