following user names refer to en.wikipedia. Photograph of a fossil ammoniteJeletzkytes spedeni taken by Dlloyd. The specimen is from the Maastrichtian (Upper-Cretaceous)
species is also known as Jeletzkytes nodosus. Ammonites are common & conspicuous fossils in Mesozoic marine sedimentary rocks. Ammonites are an extinct group
species is also known as Jeletzkytes nodosus. Ammonites are common & conspicuous fossils in Mesozoic marine sedimentary rocks. Ammonites are an extinct group
DescriptionJeletzkytes nebrascensis, Late Cretaceous, Fox Hills Formation, South Dakota, USA - Houston Museum of Natural Science - DSC01979.JPG Exhibit in