Ellipinion Hérouard, 1923 (original description)
Gephyrothuria europeensis Hérouard, 1923 accepted as
Gephyrothuria alcocki Koehler & Vaney, 1905 (original description)
Mesothuria (Allantis) candelabri Hérouard, 1923 accepted as
Zygothuria candelabri (Hérouard, 1923) (original description)
Mesothuria candelabri Hérouard, 1923 accepted as
Zygothuria candelabri (Hérouard, 1923) (original description)
Mesothuria murrayi var. grandipes Hérouard, 1923 accepted as
Mesothuria maroccana Perrier R., 1898 (original description)
Periamma ludwigi (von Marenzeller, 1893) accepted as
Penilpidia ludwigi (von Marenzeller, 1893) (new combination reference)
Pseudostichopus globigerinae Hérouard, 1923 accepted as
Molpadiodemas involutus (Sluiter, 1901) (original description)
Pseudostichopus lapidus Hérouard, 1923 accepted as
Pseudostichopus peripatus (Sluiter, 1901) (original description)
Pseudostichopus marenzelleri Hérouard, 1923 accepted as
Pseudostichopus peripatus (Sluiter, 1901) (original description)
Psychrelpidia Hérouard, 1923 (original description)
Trochostoma angulatum Hérouard, 1923 accepted as
Molpadia angulata (Hérouard, 1923) (original description)