 The Romans used the designation " <unk> " to denote many tribes regardless of ethnic origin and sometimes the term would be interchangeable with <unk> ; the tribes attacking Anatolia were probably the <unk> who built ships to cross the Black Sea in 267 and ravaged the coasts of <unk> @-@ Pontus besieging Heraclea Pontica . According to <unk> , Odaenathus arrived at Anatolia with Hairan I and headed to Heraclea but the riders were already gone . They loaded the spoils onto their ships but many perished in a sea battle probably conducted by Odaenathus ; another possibility is that they were shipwrecked . 
