Catalogo paleontologico del bacino terziario del Piemonte 
101 
Numero d’ordine 
FOR M E 
o 
a 
’rS 
O 
(3 
c3 
1 
£ 
Astiano 
Piacenziano 
Messiniano 
Toitoniano 
Elveziano 
o 
1 
■S) 
a 
C3 
Àquitaniano 
Stempiano 
Tongriano 
Sestiano 
Bartoniano 
o 
53 
.3 
ri 
2516 
2517 
2518 
2519 
2520 
2521 
2522 
2523 
'2524 
2525 
2526 
2527 
2528 
2529 
'2580 
2531 
1 
2532 
2533 
2534 
2535 
2536 
—|— 
H- 
— H 
H- 
-f- 
» » var. multirugulata Sacc. 
( A ■Rpll \ 
» » var. multitransversa Sacc. 
fR ‘Rpll ^ 
» » var. nullotransversa Sacc. 
(C. Bell.). 
» » var. esulcata Sacc. (D. 
» » var. subquadrangula Sacc. 
m RpII ^ 
» » var. dertocostulata Sacc. 
( A Rpll \ 
— H 
H — 
» » var. lamelliplicata Sacc. 
( \ Rpll 
» r> var. persulcata Sacc. (B. 
■Rpii ^ 
• ' 
H— 
» » var. plioinflata Sacc. (A. 
RaII ^ 
» » var. pliosulcata Sacc. (B. 
■RpII ì 
- 
-h 
» « var. longoastensis Sacc. 
f A Boll ì 
