| Dolatocrinus asterias Alpena Lm. Alpena, Michigan Size: 2.4 cm at it's widest. This is an unprepared specimen of the Alpena crinoid calyxes I am offering. These take a lot of time to prepare and are therfore priced accordingly. Here is one if you would like to try it yourself. Many more available if interested. Price: $7 US ID number: d1098 | 
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