Saturday, March 17, 2012

Hardouinia bassleri echinoid from Alabama

From the Cretaceous (Santonian stage) Tombigbee Sand Member of the Eutaw Formation in Montgomery county, Alabama comes this echinoid called Hardouinia bassleri. I received it as a gift from a visiting friend from Georgia.

Adapical surface (top)

Posterior (rear)

Side profile

Side profile

 Adoral surface (underside or bottom)

Thanks to Don for the fossil!

Edited 09/26/14

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