Ammonites, 5 species Iguanodon interesting bone fragment can be

interesting bone fragment can be seen in the matrix

Think of it as a baby Archaeopteryx

with a typical size range of two to seven centimeters (1 to 3� inches)

making it one of the most complete ever found in North America

Ammonites, 5 species Iguanodon interesting bone fragment can beThis wonderful mortality plate has 5 species of ammonites. Placenticeras intercalare 8. 5 inches across Baculites compressus cuneatus Holoscaphites landesi Jeletzkytes brevis Rhaeboceras halli They are from the Upper Cambrian, Fox Hills Formation of South Dakota, USA The largest ammonite, Placenticeras is 8. 5 inches across. This specimen is a composite. It is meant to be a study of species which may be found loose or in the mud balls found along the