Yes, Womble, they are the seeds, as in the ones in the left side of the top picture. Did they come away easily? You shold leave them until they are about ready to just fall off rather than having to pull them away.
Not a daft question at all, they look nothing like the seeds of peas or aquilegia, say.

Hi bulbaholic. I cut the heads off earlier and some of the seeds were a little tough to get out. Is that a problem? If I leave the other cut heads to dry out will they naturally fall off or should i have left them on the plant?

Its a lot easier to divide the plants in Autumn or spring. Aslong as a piece of green has good roots, they will re-root fine. It is alot easier way to propagate them as Leucanthemum seeds are difficult to grow.

It would have been better to leave the flower heads on the plant, Womble. If the seeds have not been able to develope and ripen naturally then they will not be viable and grow when sown. It is difficult to tell from the pictures if they are viable or not, but sow them anyway and see what happens. Also note Nicky's response.

Thank you both. I think i will wait for the other flowers to finish flowering and capture the seeds from them instead. i tried last year to take cuttings from a number of different plants and had no success. Well thats a lie one plant took but my cat knocked it off my bathroom window seal and it ended up down the loo. What was more frustrating he was trying to get out of a closed window. Its not the end of the world if the seeds dont take as i have one beautiful plant in my garden. i just thought if they were free seeds i should give it a go.

Divisions work the best, they already have roots, cuttings aren't really generally successful