Conodont BM1A04

Conodont BM1A04
Sa element of Phragmodus undatus
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-- BM1A04X01
-- BM1A04X01
-- BM1A04S03
BM1A04M04 -- -- BM1A04M05

Estimated Age: about 450 million years old.
Comments: Scale Bar is 0.5 mm. Dayton Area, Ordovician Silurian Boundary -- teaching materials courtesy of Jeff Bauer. Sa element of Phragmodus undatus. Lateral costae, symetrically disposed on each side of the cusp. -- BM1A04M04 and 5 were photographed dry under large microscope using Sony DSC-S70 using lateral illumination

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