Fig. 4 in Climate-driven diversity changes of Mediterranean echinoids over the last 6 Ma

Fig. 4. Rare echinoids from the Mediterranean late Cenozoic to Recent. A. Stirechinus scillae Desor, 1856, MG 1034.10, Early Pleistocene, Contrada Coilare (Messina, Sicily), in lateral view. B. Spatangus purpureus (Müller, 1776), MG 1038.01, Calabrian, Castell'Arquato, Italy, in aboral view. C. Sardospatangus rovasendai (Airaghi, 1901), MTPL.1246, Piacenzian of Pecetto Piemontese, Italy, in aboral (C1) and oral (C2) views. D. Schizechinus serialis Pomel, 1887, MCS Ss.17, Calabrian, Stirone River, Parma, Italy, in lateral view. E. Schizechinus serialis Pomel, 1887, MG Sz.15, Calabrian, Castell'Arquato, Italy, in aboral view. F. Tripneustes gahardensis (Seunes, 1896), MGUS 2040, late Tortonian–early Messinian, Espera, Spain, in aboral view. G. Gracilechinus acutus (Lamarck, 1816), MCS Ga.12 (ex Bussolati collection), Calabrian, Stirone River, Parma, Italy, in lateral view. H. Granopatagus subinermis (Pomel, 1887), MZUF.1359, Recent, off Livorno, Italy, in oral (H1) and aboral (H2) views.