Global Distribution Achieved by Halisaurine Mosasaurs Explained by a New Discovery from Japan
Royal Tyrrell Museum of Palaeontology via YouTube
Overview
Syllabus
Intro
Sharing Under the Cretaceous Sea: Global Distribution Achieved by Halisaurine Mosasaurs Explained by a New Discovery from Japan
existed in Mesozoic seas
Enter Mosasaurs (Squamata: Mosasauridae)
Squamates = Lizards & Snakes
Introduction to Mosasaurs
Fins or limbs? Both included
Global Mosasaur Distribution
New Material Locality/Horizon
August 9, 2009
Nearly 2 years of acid preparation followed....
A large number of cranial elements (six paired), several vertebrae, and ribs
The State of Preservation
Interspecific Comparisons 1
Remarks on Phosphorosaurus oriliebi (not as aberrant a halisaurine as so thought)
Phosphorosaurus ponpetelegans Konishi et al., 2015
Beautiful and Puzzling
Typical Mosasaur Skull
BFOV analysis
Interpretations/Discussions
Conclusions
Acknowledgments
Taught by
Royal Tyrrell Museum of Palaeontology