![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsiQYCY1uIL_3Nr8ZWSl1mjE_Cbof3Y9sPel6cHyHPAvXc7AHo834wtdkJBpgYC5QbfbfJomVOcFE18Ru2NyfXRtqOA7cODL3r1AM36UX0ud1xaklF_dF7h8fm0bnM1a4PSAr6lDt5td8X/s400/trimerus-finished.jpg)
Thursday, March 5, 2009
Clark County Indiana Trilobite - Trimerus
Another view of the trilobite Trimerus delphinocephalus posted yesterday. It is from the Silurian period and was found in Clark County, Indiana (far southern part of state).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsiQYCY1uIL_3Nr8ZWSl1mjE_Cbof3Y9sPel6cHyHPAvXc7AHo834wtdkJBpgYC5QbfbfJomVOcFE18Ru2NyfXRtqOA7cODL3r1AM36UX0ud1xaklF_dF7h8fm0bnM1a4PSAr6lDt5td8X/s400/trimerus-finished.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsiQYCY1uIL_3Nr8ZWSl1mjE_Cbof3Y9sPel6cHyHPAvXc7AHo834wtdkJBpgYC5QbfbfJomVOcFE18Ru2NyfXRtqOA7cODL3r1AM36UX0ud1xaklF_dF7h8fm0bnM1a4PSAr6lDt5td8X/s400/trimerus-finished.jpg)
Silurian Trilobite - Trimerus delphinocephalus
My cousin has been working on a trilobite fossil found by a KYANA member in Clark County, Indiana on a field trip. It has now been sealed to help preserve the fragile shell after was cleaned with a sandblaster. This trilobite is called Trimerus delphinocephalus (Green, 1832) and lived in the Silurian Period. The matrix is from the Waldron Shale layer.
Click on image to see it larger.
![trilobite called Trimerus delphinocephalus](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlNK27T89ZEIlKtZegMdw2h01enUnu341VXe4yMKP1scCLaLEGsTGidBBYduiQ-GbWgyPzGimeDTpn4qQjFyGjBTpvUcs_36vV4NSKzCp8-Di9XoQieu69EZ62yOZMnxBHLsYd_c0zRikU/s400/trimerus-finished2.jpg)
Click on image to see it larger.
![trilobite called Trimerus delphinocephalus](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlNK27T89ZEIlKtZegMdw2h01enUnu341VXe4yMKP1scCLaLEGsTGidBBYduiQ-GbWgyPzGimeDTpn4qQjFyGjBTpvUcs_36vV4NSKzCp8-Di9XoQieu69EZ62yOZMnxBHLsYd_c0zRikU/s400/trimerus-finished2.jpg)
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