Order Paxillosida Perrier 1884 (sea star)
Full reference: E. Perrier. 1884. Mémoire sur les étoiles de mer recueillies dans la mer des Antilles et le Golf du Mexique. Nouvelles Archives du Muséum d'Histoire Naturelle 6(2):127-276
Parent taxon: Valvatacea according to L. Villier et al. 2007
See also Blake 1989, Blake 2018, Blake and Sturgeon 1995, Donovan et al. 2005, Fernández et al. 2014, Gale 2011, Mah and Blake 2012, Sepkoski 2002 and Spencer and Wright 1966
Sister taxa: Carniaster, Notomyotida, Valvatida
Subtaxa: Astropectinidae Benthopectinidae Cribellina Ctenodiscidae Diplozonina Luidiidae Notomyotina
Ecology: slow-moving low-level epifaunal carnivore