Taking-out apparatus, taking-out system, and conveyance shelf

A conveyance shelf comprising:

• a plurality of accommodation boxes;
• a shelf bottom plate that forms a shelf bottom in contact with an automatic guided vehicle;
• a leg portion extending downward from the shelf bottom plate and having a height allowing the automatic guided vehicle to be arranged below the shelf bottom plate;
• a support member extending upward from the shelf bottom plate;
• a plurality of shelf plate portions that are provided on the support member in a vertical direction and have a groove along a uniaxial direction intersecting the vertical direction on an upper surface, and on which the accommodation box is placed on the upper surface;
• and
• a guide that is provided on the upper surface and is configured to guide the accommodation box to the upper surface.