212 



Fossarus . 



pag. 178 



Modiola . 



pag. 34 



Fusus .... 94, 96 



Modiolaria 



35 



Galeodea .... 



136 



Monophorus 



161 



Gastrochaena . 



64 



Murex . . . . 



88 



Genota .... 



121 



Mysia . 



46 



Gibbula .... 



77 



Mytilicardia . 



42 



Gibberula 



114 



Mytilus . 



34 



Glandina .... 



177 



Nassa . . . . 



99 



Granula .... 



115 



Natica . 



140 



Gryphaea 



25 



Neilo . 



41 



Halia .... 



130 



Nematurella 



170 



Haminea .... 



71 



Nerita 



81 



Helix .... 



176 



Neritina . 



80 



Hinnites .... 



31 



N'iso 



149 



Homotoma 



127 



Nucula 



40 



Hyalaea Y. Diacria 





Obeliscus 



151 



Hyalina .... 



177 



Odostomia 



157 



Isocardia .... 



50 



Opalia 



85 



Jagonia .... 



47 



Ophicardelus . 



176 



Janira .... 



28 



Ostrea 



25, 26 



Jouannetia 



64 



Ovula 



139 



Kellia 



75 



Pandora . 



60 



Laevicardium . 



48 



Panopaea 



59 



Leda 



41 



Pecchiolia 



48 



Libania . 



177 



Pecten 



. 28, 29 



Lima 



33 



Pectunculus 



39 



Limea 



33 



Peringia . 



169 



Limopsis 



40 



Perna 



33 



Loripes . . . 



46 



Petricola . 



56 



Lucina 



47 



Phasianella 



79 



Lutraria . 



60 



Phos 



97 



Lythodomus . 



34 



Pinna 



34 



Mactra 



60 



Planorbis 



175 



Malea 



135 



Pleurotoma 



119 



Mangelia . 



128 



Pollia 



95 



Margarita 



75 



Potamides 



157 



Marginella, Y. Yolvarina 





Psammobia 



57 



Mathilda 



150 



Pseudamussium 



. 28, 178 



Meiocardia 



50 



Pseudostrombus 



97 



Melania . 



167 



Pseudotoma 



125 



Melanopsis 



167 



Purpura . 



93 



Meleagrina 



33 



Pyramidella Y. Obeliscus 



3 



Menestho 



150 



Pyrgula . 



168 



Merica 



119 



Pyrgulina 



156 



Mesodesma 



58 



Pyxis 



29 



Metula 



94 



Ranella . 



135 



Mitra 



111 



Raphitoma 



129 



