Dr Katie StrangHere’s some wee 330 million year old crinoid ossicles that wonderfully illustrate their five-fold radial symmetry. Nature is awesome 🖤 #ScottishFossils #ScottishGeology
Mark H@palaeokatie If you'd told me this was a collection of buttons from my mum's sewing box I'd have believed you as well.
Schrödinger's Prat@neonbubble @palaeokatie I was going to go with Lego Technic gears.
Sam L.