UK Ammonite Hoploscaphites IF-UKA-16-010 Lower Cretaceous Careful preparation however can preserve

Careful preparation however can preserve the suture pattern as well as the lateral ribbing characteristic of the species

Tree Flower (Catkin) aff Platycara sp

The family Gerridae is thought to have originated in the Cretaceous

and the maximum height is 13 inches

and the serrations are well defined

UK Ammonite Hoploscaphites IF-UKA-16-010 Lower Cretaceous Careful preparation however can preserveHoploscaphites nodosus Pierre Formation Upper Cretaceous (Campanian) Pennington County, South Dakota This is an excellent example of the microconch form of H. nodosus. The specimen has the original shell, and it is iridescent on the living chamber. This specimen has very well defined nodes typical of the species. It is complete all the way to the aperture. The specimen is repaired. The ammonite is just over 4 inches. H. nodosus is comparatively large