Glyptocrinus
sp.
Ordovician
Decorah Formation
Danville Quarry, Danville, MO, Montgomery Co., MO
Crown shown is 2" long. Slab is about 10"x7".
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A few years ago on an EMSP field trip we found a mat
of criss-crossed stems
covering a slab that had fallen from the quarry face. The slab was 4ft x 4ft
and
was completely covered with long, intermingled stems. Smaller slabs from these
colonies would turn up from time to time in the quarry, unfortunately the
most
productive area has been reclaimed as of our last field trip a few months
ago.
Steve Pavelsky
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