Bennetticarpus sp.
The female heart of a Williamsoniella flower.
Cayton Bay. Middle Jurassic. Width of the photo 25 mm.

Part of a male bract of a
Williamsoniella flower. These scales
surrounded the female centre
of  the flower as a kind of 'floral leaves'.
Cayton Bay. Height of the photo 32 mm.

Click here for a reconstruction of a Williamsoniella flower
and a fossil of a transverse section of a flower.