Late Triassic Norian, approx. 228-209 million years ago. Information: Above water: Three Dicynodonts (mammal-like reptiles) are grazing on the shore at the left. Below water: Some ammonites are swimming amongst the crinoids (Encrinus liliiformis) From left to right: Loosely coiled Choristoceras (heteromorph) Centre and left of image: Ceratites Crawling on crinoid stems & on seafloor are some coned-shaped Cochloceras (heteromorph) Swimming vertically on the left of image are some Rhabdoceras (heteromorph) In the background is an early type of plesiosaur: Alexeyisaurus Stretched canvas prints of this picture can be ordered via online payment, click 'Purchase Prints Online'.