The abundance of fossil sharks and other cartilaginous fishes in northern Chile is widely
known. Fossil sites such as the Bahia Inglesa Formation were affected by intense …

We present the first comprehensive review of the present and past shark and ray diversity in
marine waters of Tropical America, examining the patterns of distribution in the Eastern …

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

The new late Miocene elasmobranch assemblage from Cerro Colorado (Pisco Formation)
described herein provides a first comprehensive view on the composition and structure of …

Abstract The lLate Miocene Chagres Formation from northern Panama contains the
youngest outcrops of the Panama Canal Basin. Here we report two chondrichthyan …

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 …

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

The lower Miocene Pirabas Formation in the North of Brazil was deposited under influence
of the proto-Amazon River and is characterized by large changes in the ecological niches …

The study of the chondrichthyan fauna from the Angostura, Onzole, Canoa and Jama
formations, in the Neogene of Bordón and Manabí basins, Ecuador, reveals the presence of …

Recent field expeditions have led to the discovery of a selachian assemblage from the
earliest Miocene (Aquitanian) deposits of the Uitpa Formation in the La Guajira Peninsula …