Evaluation of two historical collections of Louisiana vertebrate fossils housed in museum
repositories revealed the presence of Paleogene shark and ray taxa that were heretofore …

The late Miocene Gatun Formation of northern Panama contains a highly diverse and well
sampled fossil marine assemblage that occupied a shallow-water embayment close to a …

Cretaceous aquatic ecosystems were amazingly diverse, containing most clades of extant
aquatic vertebrates as well as an array of sharks and rays not present today. Here we report …

A diverse vertebrate fauna, dominated by elasmobranch taxa, was collected from the upper
Oligocene (Chattian) Chandler Bridge Formation in Summerville, Dorchester County, South …

Although known from Mesozoic marine, fresh and brackish water deposits from North
America, Europe, Africa and Asia, hybodont shark remains have been rarely reported from …

Horn sharks (Elasmobranchii: Heterodontus Blainville) correspond to a genus of
chondrichthyan fishes, mostly distributed in warmtemperate to tropical regions of the Pacific …

Megatoothed sharks (Family: Otodontidae) are among the most widely reported sharks in
Cenozoic marine sediments worldwide, and certain species such as the famed …

The crushing teeth of the extinct shark genus Ptychodus were initially called “palate bones of
fish” or “dentes tritores” when encountered in the Late Cretaceous rocks of England …

ABSTRACT Seymour Island, Antarctic Peninsula, is known for its wealth of fossil remains.
This island provides one of the richest fossiliferous Paleogene sequences in the world …

The historic collection of the Geological Survey of Alabama includes several fossil shark
specimens that were recovered from the lower Paleocene Porters Creek Formation in …