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|
| Specimen: |
Platyceras-type gastropod |
| Location: |
Crawfordsville, Indiana |
| Period: |
Mississippian |
|
Formation: |
Edwardsville Fm. |
|
Dimensions: |
30
mm |
|
Price: |
$10 |
|
Item: |
echin3-gastropod1 |
OK, this is not an echinoderm. It is actually a
Platyceras-type gastropod that associated with the crinoids in the
Edwardsville Formation. Platyceras-type gastropods have been known
to attach to crinoid crowns and feed from the crinoid's waste vent. |