Strontium and Oxygen Isotope Analyses Reveal Late Cretaceous Shark Teeth in Iron Age Strata in the Southern Levant
Strontium and Oxygen Isotope Analyses Reveal Late Cretaceous Shark Teeth in Iron Age Strata in the Southern Levant
![Ultrastructure, composition, and 87Sr/86Sr dating of shark teeth from lower Miocene sediments of southwestern Peru - ScienceDirect Ultrastructure, composition, and 87Sr/86Sr dating of shark teeth from lower Miocene sediments of southwestern Peru - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0895981122001985-gr4.jpg)
Ultrastructure, composition, and 87Sr/86Sr dating of shark teeth from lower Miocene sediments of southwestern Peru - ScienceDirect
![Cutting blade dentitions in squaliform sharks form by modification of inherited alternate tooth ordering patterns | Royal Society Open Science Cutting blade dentitions in squaliform sharks form by modification of inherited alternate tooth ordering patterns | Royal Society Open Science](https://royalsocietypublishing.org/cms/asset/b214c003-3bd9-444d-8328-7659a7a662ac/rsos160385f01.jpg)