This picture is of a Trinucleus concentricus (Eaton,1832) trilobite fossil. It was found in Caer Caradoc (Grande-B.). The fossil dates to ...

  Eucalyptocrinites crassus (Hall, 1863) crinoid stem fossil found in the Waldron Shale of Clark County, Indiana USA. The crinoid existed i...

  My cousin Kenny recently found this fossil in an Ordovician Period area of Indiana USA. Not sure what it is, maybe a worn carpoid fossil? ...