The Carboniferous period dates between 358.9 and 98.9 million years ago. Split Poo-sonality(Split Nodule with Scroll Coprolite) Russian Spoolet(Spiral Fish Coprolite with Inclusions) (Spiral Fish Coprolite in Siderite Nodule) Coprosapien?(Spiral Fish Coprolite in Siderite Nodule) Kasia's Prize(Spiral Fish Coprolite in Siderite Nodule) Poo-fect Split(Spiral Fish Coprolite in Siderite Nodule) (Scroll Coprolite in Siderite Nodule) It's A-Mazon!(Carnivore Coprolite in Siderite Nodule) (Carnivore Coprolite in Siderite Nodule)