Here is an image of a Silurian Period of a Lichas boltoni (Bigsby, 1825) [it is now known by genus Arctinurus (Castelnau, 1843)].  This il...

  While researching a mystery fossil that looks like flower petal indentations, I came across jellyfish imprints described as medusa. The im...

  This image shows a Pinus pine needle fossil found in the Florissant Formation of Teller County, Colorado, USA. It dates to the Chadronian...