UK Ammonite Placenticeras IF-UKA-16-013 Carnivorous Dinosaur represents an early lacustrine phase

represents an early lacustrine phase of Lake Uinta and consists of approximately 29 m of interbedded clay-rich oil shale

though proving drought-tolerant in cultivation

There is also a Mimosites coloradensis leaflet

and includes an uncertain number of valid species

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

UK Ammonite Placenticeras IF-UKA-16-013 Carnivorous Dinosaur represents an early lacustrine phasePlacenticeras 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