The bull shark (Carcharhinus leucas Valenciennes, 1839) is a large, primarily coastally
distributed shark famous for its ability to penetrate far into freshwater bodies in tropical …

The northward-flowing Humboldt Current hosts perpetually high levels of productivity along
the western coast of South America. Here, we aim to elucidate the deep-time history of this …

Sharks have a long and rich fossil record that consists predominantly of isolated teeth due to
the poorly mineralized cartilaginous skeleton. Tiger sharks (Galeocerdo), which represent …

The occurrence and diversity of elasmobranchs from the Oligocene–Miocene boundary from
Tropical America is poorly known in comparison with the paleodiversity from younger …

A newly discovered elasmobranch assemblage from the fossil-bearing area of Zamaca
(Chilcatay Formation, southern Peru) is described herein, providing a first comprehensive …

In recent years, new findings and new methods (stable isotopes of oxygen, zinc, and
nitrogen; 2D and 3D modeling; and geometric morphometric analyses of the teeth) have …

Abstract During the Mid-Miocene Climatic Optimum (MMCO, 14.7–17.3 Ma), global
temperatures were warmer than present, and similar to predicted temperatures for the …

Over the last few years, the morphology, taxonomy and systematics of the cartilaginous fish
taxa of the two main sites of the Bolca Lagerstätte, Italy,(Pesciara and Monte Postale sites) …

To help understand bioapatite microstructures and related chemical variations, their impact
on O‐isotope compositions measured and give insights on sample preparation, this study …

The fossiliferous marine Miocene sediments of the Lower Tagus Basin (Portugal) present a
great diversity of Chondrichthyes forms. The current study focuses on the fossil sharks from …