CollectA Pleuroceras AmmoniteCollectA Pleuroceras Ammonite CollectA Model 88902 Product Dimensions: 11. 9 x 7. 1 cm Age: 3 years and up Released 2020 The Pleuroceras Ammonite was a type of cephalopod that lived during the Early Jurassic period. The most distinctive feature of these creatures was their tightly coiled shells, which featured prominent ridges and spikes. The shell not only provided protection, but its structure also suggests that these creatures lived in shallow,