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