IRMNG Taxon list
Catopygus elegans Laube, 1869 † accepted as Studeria elegans (Laube, 1869) †
Echinanthus cuvieri Desor †
Echinanthus depressus Desor †
Echinonanthus major Seba, 1734 accepted as Astropyga radiata (Leske, 1778)
Hyboclypus agariciformis (Forbes) †
Hyboclypus caudatus (Wright) †
Hyboclypus gibberulus Agassiz †
Hyboclypus ovalis †
Notidisaster subitus Smith & Crame, 2012 †
Nucleolus epigonus (von Martens, 1865) † accepted as Oligopodia epigonus (von Martens, 1865)
Oligopodia epigonus (von Martens, 1865)
Oligopodia recens (M. Edwards, 1836) accepted as Apatopygus recens (Milne-Edwards, 1836)
Pygurus pentagonalis †
Pygurus semisulcatus †
Radiolus funginus Wanner, Knipscheer & Schenk, 1952 †