| This is an ammonite of the species Stephanoceras umbilicus on a beautiful matrix with good stand plane on the bottom side. The ammonite itself measures about 27 mm. | |||
Location: | Evrecy, Depart. Calvados, France | ||
| Size of Matrix : | about 72 x 47 x 48 mm | ||
| Age: | Middle Jurasic, Dogger, Bajocian (about . 173 Mill. Jahre) | ||