| Pentaramicrinus nitidus Renault Fm. Waterloo, Illinois Size: 1.2 cm crown plus about 2 cm of stem Difficult to determine species of second crinoid due to the damaged calyx. Price: $25 US ID number: f2391 | 
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| Pentaramicrinus nitidus Renault Fm. Waterloo, Illinois Size: 1.2 cm crown plus about 2 cm of stem Difficult to determine species of second crinoid due to the damaged calyx. Price: $25 US ID number: f2391 |
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