Charlie Pridham wrote:
I have been sent this picture for our local HPS newsletter as a couple of
members just back from Spain found the beaches covered with millions of
these strange objects which were hollow and empty. they seem to be made
up of plant material, any one any idea what they may be?
www.roselandhouse.co.uk/hps/thingys.jpg

Krinoid seeds. Do not plant!

-E