Sphaericus (Sphaericus) ventriculus Erber & Hinterseher 2000

Erber & Hinterseher 2000. [Revision of the genus Sphaericus (Col., Ptinidae) of the Lauri-Macaronesian region (Azores, Madeira, Salvage islands, Canary Islands) including North Africa and the European mainland.] Coleoptera, 4(2-3), August-Dezember 2000: 153-282