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Very Nice Plate with Seven Detailed Blastoids
BLASTOIDS
Stock Number XIBL68
EXTINCTIONS Choice

Name:   Pentremites rusticus
Age:  Pennsylvanian
Formation:  Brentwood Limestone
Location:  Gore, Oklahoma
Size:  Plate is 7.2 inches across
This specimen is not for sale
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This is a fine multiple plate of Pentremites rusticus from the Pennsylvanian of Oklahoma. There are SEVEN specimens of Pentremites blastoid preserved on this plate. This species of blastoid is unusual in that the plates of the thecae are highly ornamented - this is the only species of Pentremites that we have seen that have these ornamented plates. The blastoids exhibit excellent detail - the plate structure is well defined, and the ambulacra are wonderfully preserved. The fossils are extremely 3-dimensional and quite inflated. The fossils are nicely composited on the natural plate of limestone that also contains blastoids on the back of the plate! This is a very nice assemblage of blastoids from the Brentwood Formation.