• Arachnidium clavatum Hincks, 1877
• Arachnidium fibrosum Hincks, 1880
• Arachnidium hippothooides Hincks, 1859
• Arachnidium lacourti d'Hondt & Faasse, 2006
• Arachnoidea annosciae d'Hondt & Geraci, 1976 accepted as Arachnoidella annosciae (d'Hondt & Geraci, 1976)
• Arachnoidea dubia d'Hondt, 1976 accepted as Arachnoidella dubia (d'Hondt, 1976)
• Arachnoidea prenanti d'Hondt, 1976 accepted as Arachnoidella prenanti (d'Hondt, 1976)
• Arachnoidea protecta Harmer, 1915 accepted as Arachnoidella protecta Harmer, 1915
• Arachnoidea thalassae (d'Hondt, 1978) accepted as Arachnoidella thalassae (d'Hondt, 1979)
• Arachnoidella annosciae (d'Hondt & Geraci, 1976)
• Arachnoidella dubia (d'Hondt, 1976)
• Arachnoidella prenanti (d'Hondt, 1976)
• Arachnoidella protecta Harmer, 1915
• Arachnoidella thalassae (d'Hondt, 1979)