Kingdom Animalia Species †P. bradyi Genus Parapuzosia | Family †Desmoceratidae Phylum Mollusca Subclass Ammonites | |
Similar Parapuzosia, Ammonites, Parapuzosia seppenradensis, Titanites, Desmoceratidae | ||
Parapuzosia bradyi is a gigantic species of ammonite, reaching diameters of more than 4.5 ft (1.4 m) by 6 ft (1.8 m). It is the largest species of ammonite in North America. It had a moderately involute shell with flat sides. The inner whorls are slightly oval-shaped with prominent ribbing. They are only known from the upper layers of the Eagle Sandstone and Cody Shale formations (both Late Cretaceous).
References
Parapuzosia bradyi Wikipedia(Text) CC BY-SA