 | (Lightfoot, 1786)
153mm (rough specimen)
Uruguay $22.00 |
|  | (Lightfoot, 1786)
174mm (growth mark)
Argentina $45.00 |
|
 | (Gmelin, 1791)
142mm (growth line)
Argentina $52.00 |
|  | (Clench & Turner, 1964)
212mm
Uruguay $279.00 |
|
 | (Clench & Turner, 1964)
250mm
Brazil $315.00 |
| |