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Distinct Blastoid with Brachioles Intact - Rare!
BLASTOIDS
Stock Number D1105082
EXTINCTIONS Choice

Name:   Pentremites sp.
Age:  Mississippian
Formation:  Ridenhower Formation
Location:  Millstadt, Illinois
Size:  Blastoid is 0.9 inches long
This specimen is not for sale
Click here for similar specimens that are for sale

Here is an interesting blastoid that we recently acquired in an old collection. This is Pentremites sp. from the Ridenhower Formation of Illinois. This blastoid is quite unique in that many of the brachioles (arms) are present. This fine preservation is extremely rare in the fossil record. The echinoderm is very 3-dimensional and is well displayed. This is a very rare blastoid with the hair-like brachioles intact.