Return To Top Page, other Examples of
or Specimen Index
How to View Stereo Images
Collected: Site Z,
in Nashville, Tennessee, USA, from Upper Ordovician deposits.
Estimated Age: about 450 million years old.
Dimensions: scale bar is .3 mm
Comments: Very long, sharp cusp.
Page established 10-10-98, updated 10-10-98 -- copyright Jim Davison
Go back to: Top Page - Please mail comments
or suggestions to: My E-Mail Address