Trigonia Clam and Rudist Fossil from Austin
Updated September 1, 2026
| Lot number | 0201 |
| Estimate | $100 - $150 |
| Opening bid | $30 |
| Auction | Fall Rock and Fossil Timed Clearance Auction |
| Date | September 19, 2026 at 1:00 PM EDT |
| Auction house | Fossils & Gemstones of Houston |
| Location | Houston, Texas |
Trigonia clam and rudist fossil from White Rock Quarry in Austin, Texas. 4" x 4" x .5". 252 g.
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