Araeosoma alternatum Mortensen, 1934 (original description)
Araeosoma owstoni nudum Mortensen, 1934 (original description)
Araeosoma owstoni var. nudum Mortensen, 1934 accepted as Araeosoma owstoni nudum Mortensen, 1934 (original description)
Araeosoma parviungulatum Mortensen, 1934 (original description)
Araeosoma splendens Mortensen, 1934 (original description)
Araeosoma tessellatum carinatum Mortensen, 1934 (original description)
Araeosoma tessellatum var. carinatum Mortensen, 1934 accepted as Araeosoma tessellatum carinatum Mortensen, 1934 (original description)
Asthenosoma dilatatum Mortensen, 1934 (original description)
Asthenosoma varium album Mortensen, 1934 (original description)
Coelopleurus granulatus Mortensen, 1934 (original description)
Coelopleurus undulatus Mortensen, 1934 (original description)
Coelopleurus undulatus polymorphus Mortensen, 1934 (original description)
Coelopleurus undulatus ruber Mortensen, 1934 (original description)
Coelopleurus undulatus undulatus Mortensen, 1934 (original description)
Coelopleurus undulatus var. polymorphus Mortensen, 1934 accepted as Coelopleurus undulatus polymorphus Mortensen, 1934 (original description)
Coelopleurus undulatus var. ruber Mortensen, 1934 accepted as Coelopleurus undulatus ruber Mortensen, 1934 (original description)
Hapalosoma gemmiferum Mortensen, 1934 (original description)
Hemiphormosoma Mortensen, 1934 (original description)
Hemiphormosoma paucispinum Mortensen, 1934 (original description)
Miocidaris tenuispina Mortensen, 1934 † (original description)
Phormosoma placenta africana Mortensen, 1934 (original description)
Phormosoma placenta var. africana Mortensen, 1934 accepted as Phormosoma placenta africana Mortensen, 1934 (original description)
Podocidaris sibogae Mortensen, 1934 (original description)
Salenia unicolor Mortensen, 1934 accepted as Bathysalenia unicolor (Mortensen, 1934) (original description)
Salenocidaris brachygnatha Mortensen, 1934 (original description)
Salenocidaris hastigera acuminata Mortensen, 1934 (original description)
Salenocidaris hastigera var. acuminata Mortensen, 1934 accepted as Salenocidaris hastigera acuminata Mortensen, 1934 (original description)
Salenocidaris incrassata Mortensen, 1934 (original description)
Salenocidaris profundi occlusa Mortensen, 1934 (original description)
Salenocidaris profundi var. occlusa Mortensen, 1934 accepted as Salenocidaris profundi occlusa Mortensen, 1934 (original description)
Sperosoma antillense Mortensen, 1934 (original description)
Sperosoma crassispinum Mortensen, 1934 (original description)
Sperosoma tristichum Mortensen, 1934 (original description)