Glyptocrinus dyeri   scale in cms CLASS - Crinoidea ORDER - Monobathrida FAMILY - Glyptocrinidae GENUS/SPECIES - Glyptocrinus dyeri ROCK UNIT - Richmond Group AGE - Upper Ordovician (445 million years old) LOCALITY - Cincinnati, Ohio, USA These highly ornamented cups were attached to long arms bearing even smaller arms (pinnules) that could fan out to catch floating food particles like a net. PRI 42168