Araeosoma Mortensen, 1903 (original description)
Araeosoma belli Mortensen, 1903 (original description)
Araeosoma violaceum Mortensen, 1903 (original description)
Austrocidaris canaliculata var. lorioli (Mortensen, 1903) accepted as Austrocidaris lorioli (Mortensen, 1903) (original description)
Discocidaris serrata Mortensen, 1903 accepted as Schizocidaris serrata (Mortensen, 1903) (original description)
Dorocidaris micans Mortensen, 1903 accepted as Calocidaris micans (Mortensen, 1903) (original description)
Dorocidaris nuda Mortensen, 1903 accepted as Cidaris nuda (Mortensen, 1903) (original description)
Echinus acutus var. mediterranea Mortensen, 1903 accepted as Echinus acutus mediterraneus Mortensen, 1906 accepted as Echinus acutus Lamarck, 1816 accepted as Gracilechinus acutus (Lamarck, 1816) (original description)
Echinus affinis Mortensen, 1903 accepted as Gracilechinus affinis (Mortensen, 1903) (original description)
Echinus atlanticus Mortensen, 1903 accepted as Gracilechinus atlanticus (Mortensen, 1903) (original description)
Echinus esculentus fuscus Mortensen, 1903 (original description)
Echinus esculentus var. fuscus Mortensen, 1903 accepted as Echinus esculentus fuscus Mortensen, 1903 (original description)
Hapalosoma Mortensen, 1903 (original description)
Hypsiechinus Mortensen, 1903 (original description)
Hypsiechinus coronatus Mortensen, 1903 (original description)
Pseudocentrotus depressus (A. Agassiz, 1864) (new combination reference)
Schizocidaris Mortensen, 1903 (original description)
Schizocidaris assimilis Mortensen, 1903 (original description)
Sphærechinus pulcherrimus (A. Agassiz, 1864) accepted as Hemicentrotus pulcherrimus (A. Agassiz, 1864) (new combination reference)
Stereocidaris ingolfiana Mortensen, 1903 (original description)
Stereocidaris lorioli Mortensen, 1903 accepted as Austrocidaris lorioli (Mortensen, 1903) (original description)
Toxocidaris tuberculatus (Lamarck, 1816) accepted as Heliocidaris tuberculata (Lamarck, 1816) (new combination reference)
Tretocidaris Mortensen, 1903 (original description)
Tretocidaris annulata Mortensen, 1903 accepted as Tretocidaris bartletti (A. Agassiz, 1880) (original description)
Tretocidaris spinosa Mortensen, 1903 (original description)
Tromikosoma Mortensen, 1903 (original description)
Tromikosoma koehleri Mortensen, 1903 (original description)

 Etymology

 for Araeosoma Mortensen, 1903

According to footnote 1 on p. 53 of Mortensen (1903), the prefix of Araeosoma derives from the ancient Greek word ... [details]

 Type designation

 for Araeosoma Mortensen, 1903

In the Fell (1966) the type species of Araeosoma is listed as "Calveria fenestratum Thomson, 1872, p. 494; OD". In ... [details]