Mesozyphia
Mesozyphia is a genus of extinct ammonites, a group of marine mollusks that are now extinct. These cephalopods lived during the Mesozoic Era, specifically from the Early Jurassic to the Late Cretaceous periods. Mesozyphia ammonites are characterized by their distinctive shell morphology, often featuring elaborate ornamentation and specific coiling patterns. Their shells typically exhibit a smooth, evolute, and involute structure depending on the species within the genus.
Fossils of Mesozyphia are found in various marine sedimentary rocks worldwide, providing valuable insights into the