SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY SINCLAIR STAMMERS / SCIENCE PHOTO LIBRARY
Two individual calyxes of the crinoid Encrinus lilliformis Miller.They appear morphologically different, this is probably due top sexual dimorphism. Both calyyxes are damaged possibly by a predator. Triassic, Upper Muschelkalk, Neidenfels, Crailsh, Germany.
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