This specimen stuck a variety of different coccoliths and the 'shell' of a dinoflagellate (Thoracosphaera heimii) on its lorica. The species of coccolithophores and the dinoflagellate were identified by Jeremy Young. The specimen from the Bay of Villefranche was collected by Charles Bachy and the SEM done at the Institut de Minéralogie et de Physique des Milieux Condensés, Université Paris 6.