Here is a picture of a Dicranurus monstruosus trilobite fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures like this existed in the Devonian Period. Fossil was found in Alnif, Morocco.
Here is a picture of a Hemiptera heteroptera insect fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures like this existed at the time of the upper/late Cretaceous Period (ICS geological timescale: Cenomanian). Fossil was found in CearĂ , Brazil.
Here is a picture of anunidentified insect fossil at the Museo di Paleontologia at Sapienza University of Rome Italy. Creatures like this existed in the Miocene Epoch of Neogene Period.