Ammonites are excellent index fossils, and is often possible to link the rock layer in which a particular species or genus is found to specific geological time periods. Their fossil shells usually take the form of planispirals, although there were some helically spiraled and nonspiraled forms.
Please confirm retail prices in store; prices are subject to change without prior notice. Products subject to availability. Weylandts products are handcrafted and actual product weights and look may vary. Shipping costs are not included in the product price displayed and will be calculated separately according to weight and volume of the product. Prices provided on this website are for SA stores only.