Bidspirit auction | Natural History - Fossil Starfish

Natural History - Fossil Starfish Group - Ordovician Period, circa 485-444 million years B.P.. Comprising four Petraster sp. specimens on matrices. 716 grams total, 7-12 cm (2 3/4 - 4 3/4 in.). From a Cambridgeshire, UK, collection. [4, No Reserve]