Description

Species: Douvilleiceras inaequinodum [See Douvilleiceras on Wikipedia]
Age: Albian, Cretaceous
Locality: Mahajanga, Madagascar

Measurements: c. 9.5 cm diameter
Weight: 0.33 kg

A nice ammonite Douvilleiceras inaequinodum in gorgeous, tractor-wheel like, nacreous shell.
The stand is not included.