Iberellus (I.) companyonii (Companyo, 1837)
= Helix hispanica var. pyrenaica Rossmässler, 1839 (non H. pyrenaica Draparnaud, 1805)
= H. cantae Bourguignat in Servain, 1880
= H. chorista Bourguignat in Servain, 1880
= H. tiranoi Bourguignat in Servain, 1880
= H. (Iberus) oberndorferi Kobelt, 1882
= H. palmana Bourguignat in Pechaud, 1883
= I. campanyonii, I. companyoni, I. companyoi, I. compagnoi, I. compagnoni, I. compagnonii (misspellings)
Endemic to Mallorca (not in the Serra de Tramuntana) and adjacent islets. Locally introduced to the Catalan coast (and almost extinct there).