Bowl-shaped structures are for the first time reported from the Greek Island of Rhodes. They occur in Pleistocene deposits of the Cape Arkhangelos Formation in the Rhodes Synthem. The regularity of their three-dimensional appearance is the argument for a biological origin. This gives the reason to assign the structures toPiscichnus waitematafor which we issue a formal diagnosis. They were formed on a clastic carbonate wedge that built into a coastal, steep-sided basin. Associate trace fossils areThalassinoides suevicusandBichordites monastiriensis.