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Codonospermum from Graissessac Codonospermum sp.
- circular seeds with a diameter of about 1 cm
- 8 ribs from the centre
This seeds had an interesting structure: on the upper side was a floating body (with the 8 ribs) and the seed hung on the lower side (see inset: after Wittry, 2006). The seed was thus distributed by way of water.

Probably also circular seeds without the ribs belong to this genus. The ribs can be faded out or perhaps the seed is lying upside down.

Height of the photo 2.5 cm.