| Isorophusella incondita Cryptogoleus chapmani Bobcaygeon Fm. Brechin, Ontario, Canada Size: About 7 X 8 cm. slab with 3 specimens Price: $80 US ID number: f2591 | 
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| Isorophusella incondita Cryptogoleus chapmani Bobcaygeon Fm. Brechin, Ontario, Canada Size: About 7 X 8 cm. slab with 3 specimens Price: $80 US ID number: f2591 |
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