UK Ammonite Placenticeras IF-UKA-16-013 Carnivorous Dinosaur There are two rows of

There are two rows of well-defined tubercles on the flanks

There is a prominent ware facet at the tip of the tooth on the exposed lingual aspect

and includes an uncertain number of valid species

reaching 30-50 m (98-164 ft) in height

UK Ammonite Placenticeras IF-UKA-16-013 Carnivorous Dinosaur There are two rows ofPlacenticeras intercalare Pierre Formation Upper Cretaceous (Campanian) Meade County, South Dakota This example of P. intercalare has well defined features characteristic of the species. The specimen has a nearly complete body chamber and some sutures are visible. The ammonite shows sign of injury pathology and makes this specimen of particular interest. The ammonite is 4. 5 inches across. Placenticeras intercalare is smaller than P. meeki and has a