Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.
Pterosaurs and large marine reptiles died out in the Cretaceous
Evaluate the veracity of the claim: "Pterosaurs and large marine reptiles died out in the Cretaceous" based on the evidence: "Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.".

Options: 

 - supported

 - refuted

 - not enough information
supported
Evaluate the veracity of the claim: "Pterosaurs and large marine reptiles died out in the Cretaceous" based on the evidence: "Cretaceous. The Cretaceous ended with a large mass extinction, the Cretaceous - Paleogene extinction event, in which many groups, including non-avian dinosaurs, pterosaurs and large marine reptiles died out.".

Options: 

 - supported

 - refuted

 - not enough information
user
supported
assistant