Arthroacantha carpenteri Crinoid Fossil | #Geology #GeologyPage #Fossil Crinoids are marine animals belonging to the Crinoidea class, one of the phylum Echinodermata classes, which also includes starfish, brittle stars, sea urchins and sea cucumbers. Those crinoids which, in their adult form, are attached to the bottom of the sea by a stalk are commonly referred to as sea lilies, whereas the unstalked forms are referred to as feather stars or comatulids. Locality: Hamilton group , Ontario Canada

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39K views · 1.2K reactions | Look! We got a new Crinoid today! This feather star was just added to the coral reef exhibit in Expedition: Asia. #LLPA #Crinoid #FeatherStar | The Living Planet Aquarium | Facebook

2M views · 5.8K reactions | A small piece of crinoid plant looking but relative to sea urchins and starfish 105 million years old I found at Charmouth a couple of days ago little sea worm | Charmouth Fossils | Facebook

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