Noun
opilio (plural opilios)
The snow crab Chionoecetes opilio.
At the time, it was known as the Year of the Consulship of Iustinus and Opilio (or, less frequently, year 1277 Ab urbe condita ). Source: Internet
At the time, it was known as the Year of the Consulship of Opilio and Vincomalus (or, less frequently, year 1206 Ab urbe condita ). Source: Internet