Mactra, 23 Mactracea, 47 Magillus, 40 Melanopsis, 71 Meleagrina, 58 Melo, 92 Mitra, 92 Modiola, 56 Mollusca, 62 Monoceros, 89 Monodonta, 78 Murex, 35 Mya, 21 Myaria, 47 Mytilus, 27 Mytilacea, 56 Natica, 74 Navicella, 73 Nassa, 88 Nautilus, 30-103 Nerita, 35 Neritina, 73 Nucula, 53 Nymphacea, 49 Octopus, 104 Oliva, 98 Onchidium, 66 Orthocerata, 102 Ostrea, 26 Otion, 41 Ostracea, 59 Ovula, 93 Paludina, 72 Pandora, 48 Panopæa, 47 Parmacella, 66 Parmophorus, 64 Patella, 61-63 Pecten, 58 Pectunculus, 53 Perna, 57 Pentalasmis, 41 Phasianella, 79 Pileopsis, 64 Pinna, 57 Planorbis, 70 Placuna, 60 Plagiostoma, 58 Pleurotoma, 83 Plicatula, 59 Podopsis, 59 Pollicipes, 41 Potamophila, 51 Psammotæa, 49 Pterocera, 86 Pullastra, 51 Pupa, 69 Purpurifera, 87 Pyrgoma, 41 Pyrula, 84 Ranella, 84 Ricinula, 88 Rostellaria, 86 Rotella, 78 Rudista, 60 Sabella, 37 Scalaria, 76 Scapellum, 42 Serpula, 36 Sepia, 104 Siliquaria, 39 Sigaretus, 75 Solarium, 77 Solen, 22 Solenacea, 47 Spirorbis, 39 Spirula, 102 Spondylus, 25 Stomatia, 75 Stomatella, 75 Strombus, 33 Struthiolaria, 84 Succinea, 69