Did you know that the  fossilized crinoids we collect DIDN’T go extinct? They are with us today as “Feather Stars” and “Sea Lilies”, virtually unchanged for over 500 million years! Wiki entry, “Sea lilies refer to the crinoids which, in their adult form, are attached to the sea bottom by a stalk.[4] Feather stars[5] or … Continue reading What’s This?! Crinoids