Description

Here is your chance to own a classic fossil from a classic site.
HARDER and Harder to obtain fossils from this private quarry in Middleport, New York

The BUMASTIS is another trilobite found during the digging of the Erie Canal.  First found in 1839 in a gorge dug for the canal.  The trilobite is roughly oval shaped and at first glance, it is difficult to judge which is the cephalon and which is they pygidium.  The trilobite is isopygous.  Having only 8 – 10 body segments, the BUMASTIS method of enrollment is much like that of a clam closing-just folding over, thus protecting itself from danger.  The head and tail sections are quite smooth.  The middle lobe of the cephalon is quite broad and there are two large eyes set to the back near the lateral corner.  One has been found in excess of four inches long.

This specimen is 1.41 inches long and .91 inches wide in its gray shale matrix measuring 10.5 inches by 6.75 inches.  Some of the exoskeleton is missing, but a beautiful trilobite none the less.

BUMASTIS ioxus
Silurian Period
Rochester Shale
Caleb’s Quarry
Middleport, New York

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