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Parapuzosia seppenradensis is the largest known species of ammonite. [1] It lived during the Lower Campanian Epoch of the Late Cretaceous period, in marine environments in what is now Westphalia, Germany. A specimen, found in Seppenrade near Lüdinghausen, Germany in 1895 measures 1.8 m (5.9 ft) in diameter, although the living chamber is ...
Parapuzosia was a very large ammonite genus. Restoration of the mosasaur Mosasaurus hoffmannii compared to individuals of Parapuzosia. Pleuroceras spinatum Museum of Toulouse Plesiacanthoceras wyomingense. The pavement outside the Lyme Regis museum, made of concrete cast in the shape of Ammonites. A Perisphinctes fossil.
Lewesiceras is a genus of large ammonites belonging to the order Ammonitida and the family Pachydiscidae. They lived in the late Cretaceous period, in the Cenomanian and Turonian ages, which occurred 99.6-89.3 million years ago. These shelled ammonoids were nektonic, fast-moving and carnivorous.
The firm's sister company, Canada Fossils Ltd., provides it with ammonites and other fossils. It is a member of the American Gem Trade Association. On September 27, 2007, an ammonite fossil 80 million years old and 60 cm (two ft) in diameter of ammonite made its debut at the American Museum of Natural History in New York.
Still, sufficient numbers have been found closing the apertures of fossil ammonite shells as to leave no doubt as to their identity as part of the anatomy of an ammonite. Large numbers of detached aptychi occur in certain beds of rock (such as those from the Mesozoic in the Alps). These rocks are usually accumulated at great depths.
"The sale of Sue was a turning point, I think, [for] the commercial sale of fossils," Spencer Lucas, a curator of paleontology at the New Mexico Museum of Natural History and Science in ...