A list focusing on sea & oceanic species of the early to late Cretaceous Period
http://www.ranker.com/list/cretaceous-period-shark-list/claytonhosty, history, science, geology, dinosaurs, biology, sharks, education, earth history, other,
Cretaceous Period - Map of North America and the Western Interior Seaway, 145m - 66 million years ago
Cretoxyrhina
Cretoxyrhinidae
Cretaceous Period world map - 145m - 66 Million years ago
Cretaceous Period Seas Documentary - The #1 Most dangerous seas in prehistoric times
Crassodontidanus
Cretolamna
Anomotodon
Cretaceous Period Time Chart
Cardabiodon