To provide a conveyor device that can be adapted to a wider range of articles, and to provide a conveyed material.

The conveyor device 1 conveys the conveyed articles 5 using rotation members disposed along both sides of the conveyance path 4. The rotation member is configured to contact with a groove M formed at a bottom surface S of the conveyed article 5. When the conveyed article 5 is placed, the rotation member is shaped so that, regarding the rotation member, a curved surface, a flat surface and the curved surface, or one of the flat surfaces contacts with the groove M.