Calymene celebra is a Silurian species of trilobites of the order Phacopida and also the state fossil of Wisconsin. It is found in Illinois, Indiana, and Wisconsin.[1]

References

  1. ^ "†Calymene celebra Raymond 1916 (trilobite)". Paleobiology Database. Retrieved 20 August 2011.


Allikas: http://en.wikipedia.org/wiki/Calymene_celebra
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