Ceratitida
Ceratites nodosus - limestone - Baden- Württemberg, Germany
- Worldwide
The ceratites ( Ceratitida ) are frühmesozoische ammonites. They are the fifth of the nine orders of the class Ammonoidea. After her appearance in the Permian, they represent the largest proportion of Triassic ammonoids. A characteristic feature of housing are feingezähnte suture patterns. From the ceratites developed in the Jurassic and the Cretaceous in the Ammonitida, the "real Ammonites ."
Genera
- Permian: Xenodiscus
- Triassic / Skyth: Otoceras
- Triassic / shell: Beneckaia, Ceratites
- Triassic / Karn - Rhät: Choristoceras
- Triassic / Karn - Norian: Tropites
- Triassic / anise - Ladin: Ptychites
- Upper Triassic: Cladiscites, Pinacoceras