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Name:
Didymograptus sp.
Age: Lower Ordovician
Formation: Fillmore Formation
Location: Millard County, Utah
Size: Fossil is 0.8 inches long
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This is a wonderful specimen of a puzzling fossil. This is Didymograptus sp., a graptolite, from the Ordovician of Utah. Graptolites are extinct marine organisms which are still argued about by authorities as to where they fit into the big picture. This ''V-shaped'' fossil has small, spine-like, clearly defined projections which radiate from the body, almost looking like a hacksaw blade. The graptolite has excellent color and contrast and is well presented on the natural-edged plate of shale. This is a great example of this enigmatic fossil.
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