Robuta

https://www.mdpi.com/2504-3900/87/1/18 Micromorphs: Response of the Ammonite Fauna during the Toarcian Oceanic Anoxic Event (T-OAE) in the... The paleontological analysis of the fauna of ammonites collected in the marl–limestone series of the Pliensbachian and The Toarcian of the Es-Saffeh Mountains... oceanic anoxic eventof themicromorphsresponseammonite