Ankyroderma loricatum Perrier R., 1898 accepted as Molpadia musculus Risso, 1826 (original description)
Ankyroderma maroccanum R. Perrier, 1898 accepted as Molpadia maroccana (R. Perrier, 1898) (original description)
Benthothuria Perrier R., 1898 (original description)
Benthothuria funebris Perrier R., 1898 (original description)
Cucumaria incurvata (Perrier E., 1886) accepted as Leptopentacta tergestina (M. Sars, 1859) accepted as Paraleptopentacta tergestina (Sars, 1859) (original description)
Mesothuria (Mesothuria) maroccana Perrier R., 1898 accepted as Mesothuria maroccana Perrier R., 1898 (original description)
Mesothuria maroccana Perrier R., 1898 (original description)
Ocnus compressus R. Perrier, 1898 accepted as Cucumaria compressa (R. Perrier, 1898) (original description)
Paelopatides grisea Perrier R., 1898 (original description)
Pseudostichopus atlanticus R. Perrier, 1898 accepted as Molpadiodemas atlanticus (R. Perrier, 1898) (original description)
Synallactes crucifera Perrier R., 1898 (original description)
Thyone gadeana Perrier R., 1898 (original description)
Zygothuria R. Perrier, 1898 (original description)
Zygothuria connectens Perrier R., 1898 (original description)