Gravicalymene
magnotuberculata Trilobite
Trilobites
Order Phacopida, Family Calymenidae
Geological
Time: Middle Ordovician
Size (25.4
mm = 1 inch): Trilobite is 32 mm long (curve measure) by 25 mm wide
on a 75 mm by 75 mm matrix
Fossil Site:
Dolgeville Formation, Madison County, New York
Fossil Code:
MMT45
Price: $95.00
 Description:
Trilobites of the genus Gravicalymene have been previously assigned
to Flexicalymene, Claymene and Stenocalymene. This species was
first described in 1926 (the specific name refers to its pustulose
exoskeleton), and since then has primarily been known only from
fragmented specimens. The few fully-articulated specimens often
command a high price . This one is somewhat enrolled and compressed,
with some erosion to the right side of the cephalon. Nevertheless
it is a fine example, one that is easily TWICE the size of any
I have seen in the past.
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