Catalogo paleontologico del bacino terziario del Piemonte 
213 
Numero d’ordino | 
P GEME 
» 
Villafranchiano 
Astiano 
Piacenziano 
Messiniano 
Tortoniano 
Elveziano 
o 
c 
Aquitaniano 
Stampiano 
Tongriano 
Sestiano 
Bartoniano 
| Parisiano 
2636 
Nassa 
Pareti May 
-t- 
2637 
)} 
prysw.athi.r.a. Bvoceli 
-f- 
1 | 
2638 
J? 
Crugnoni.s Bell. . . 
-f- 
1 1 
2639 
Immiti. a nn. p 1 1 
-f- 
1 ' 
2640 
» 
» var. acutispira Sacc. (A. 
Bell ) 
-f- 
2641 
Y) 
» var. brevispira Sacc. (B. 
Bell.) 
2642 
T) 
« var. convexiuscula Sacc. 
• 
(C. Bell.) 
2643 
» 
clathrata Bora 
— 
1 ! 
2644 
?) 
» var. obtusopercostata Sacc. 
| 
(A. Bell.) 
2645 
;? 
emiliana May 
2646 
J? 
» wc. per costolata Sacc. (A. 
Bell.) 
2647 
» 
Cantrainii Bell 
— f- 
| 
2648 
scalaris Bors 
1 
| 
2649 
Cocconii Bell 
| 
! 
2650 
j: 
» var. subclathrata Sacc. (A. 
Bell.) 
2651 
» 
:> var. peracuta Sacc. (B. 
Bell) • • . 
2652 
-j- 
1 
2653 
» 
» var. pluricostata Sacc. (A. 
Bell ) 
— i— 
2654 
r, ì 
var. obliquecostata Sacc. 
(B Bell) . .... 
2655 
<?/? ìtì i m.nnan. T-»p1 1 . 
9653 
— H 
1 
2658 
perrara Bell 
1 
-4- 
1 * * 
1 . . 
