Monumentum Tauroctony on altar of Ptuj Remarkable fragmentary sculpture of Mithras slaying the bull on an inscribed altar found in Mithraeum III at Ptuj. The New Mithraeum12 Nov 2022 Mithras killing the bull on altar. Mithraeum III of PtujPokrajnski Muzej / Ortolf Harl Mithras killing the bull, detail. Mithraeum III of PtujPokrajnski Muzej / Ortolf Harl Inscription on altar. Mithraeum III of PtujPokrajnski Muzej / Ortolf Harl The full article is reserved for our members. Log in or create a free account to access the entire site. Fragmented Mithras killing the bull at the usual fashion over altar shaped-based with inscription. Related monuments Mithraeum III of Ptuj Mithraeum III in Ptuj was built in two periods: the original walls were made of pebbles, while the extension of a later period was made of brick. Mithras rock-birth of Mithraeum III, Ptuj Cautes and Cautopates attend the birth of Mithras from the rock in the Petrogenia of the third Mithraeum of Ptuj. Flavius Aper altar (CIMRM 1584) The altar of Ptuj depicts Mithras and Sol on the front and the water miracle on the right side.