The Kimmeridian age of the Late/Upper Jurassic period dates between 152.1 and 157.3 million years ago. My Heart Belongs to Poo(Lumbricaria with Crinoid Inclusions) Crinoid Crunchies(Lumbricaria with Crinoid Inclusions) Poo-sta Anyone?(Lumbricaria with Crinoid Inclusions) Poop Loops(Lumbricaria with Crinoid Inclusions) Lumbricaria from Bavaria(Lumbricaria with Crinoid Inclusions) Fossil Poo and a Brittle Star Too!(Lumbricaria and Brittle Star) Abstract Anal Art(Lumbricaria) Lovely Lumbricaria(Lumbricaria) Look Mom!(Large and Small Lumbricaria)