Order Nuculanida Carter et al. 2000
Alternative spelling: Nuculanoida
Parent taxon: Nuculaniformii according to J. G. Carter et al. 2011
See also Bieler and Mikkelsen 2006, Bouchet et al. 2010, Coan and Valentich-Scott 2012 and Mikkelsen and Bieler 2008
Sister taxon: Cardiolariatida
Subtaxa: Malletioidea Nuculanoidea