Keywords: Ceratites evolutus Muschelkalk.PNG en Ceratites evolutus <small>Philippi</small> Mid Trias - Anisian - from Germany Bad Neustadt/Saale from left lateral view; ventral adoral view; ventral aboral view Lower picture photo-composition of the lateral and ventral suture segments and line-drawing in red of the sutural pattern own Antonov Ceratitida fossils Ceratites |