2 94 F. SACCO, 
Classe 
ed (Ordine) 
Famiglia 
Piacentino 
Astiano 
Villafranchiano 
*2 
c 
a 
c 
> 
> 
Yalvatidm 
Yalvata Lessonae Sacc. 
C 
Valyata cristata? Muli. 
r 
PaludinidcB 
Vivipara Pollonerae Sacc. 
rr 
Emmericia pliocenica Sacc. 
c 
1 
Cyclostomidce 
Gyclostoma fossanense Sacc. 
cc 
I 
Gyclostoma fossanense var. Gamerani 
cc 
j 
Sacc. 
Pomatias Dolium Drap. 
r 
Pomatias subalpinus Pini var. fossilis 
c 
Sacc. 
Graspedopoma conoidale Mieli, var. 
r 
fossanense Sacch. 
Gerithiidm 
Gerithium Basteroti De Serre. 
rr 
rr 
\ 
Geritliium creiiatum Brug. 
c 
cc 
Gerithium doliolum Broccli. 
ccc 
Gerithium europseum Mayer. 
r 
ccc 
Gerithium europseum Mayer. var. 
r 
Gerithium vulgatum Brug. 
r 
r 
- 
Gerithium vulgatum Brug. var. 
r 
c 
Gerithium ruhiginosum Eichw. 
cc 
AporrJiaidm 
Aporrhais pespelecani Linn. 
ccc 
r 
- 
Stromhidm 
Strombus coronatus Defr. 
r 
r 
■ 
Strombus Bonellii Broug. 
rr 
CyprmidcB 
Cyproea elongata Brocch, 
r 
- 
CassididcB 
Gassis saburoii Lamk. 
c 
r 
-1 
Cassis saburon Lamk. var. 
rr 
Gassis variabilis Bell, e Micht. var. 
rr 
Gassidaria echinophora Lamk. 
c 
- 
