Atlanteus
Could not find Atlanteum in Logeion dictionaries.
Atlanteum Proper-name adjective: neuter vocative singular, Proper-name adjective: masculine genitive plural, Proper-name adjective: masculine accusative singular, Proper-name adjective: neuter genitive plural, Proper-name adjective: neuter nominative singular, Proper-name adjective: neuter accusative singular of Atlanteus
Atlantēus, -tiacus, -tiadēs, s. Atlās.
Ătlantēus, (14) a, um, dʼAtlas : Hor. O. 1, 34, 11 ; Ov. F. 3, 105.