Dental abnormalities in a tiger shark Galeocerdo cuvier and in Carcharoides totuserratus
are presented here again, along with some further ones in shark teeth. Comparisons are …

Extensive bulk-sampling of the continuous Cretaceous-Paleogene boundary section at
Gams (Styria, Austria) allows for the first time the description of the elasmobranch …

This paper describes the first hexanchid tooth from the Tithonian (Late Jurassic) of New
Zealand. For the moment, this tooth represents the earliest representative of the fossil genus …

ANTECEDENTES En Venezuela, los reportes referentes a condrictios fósiles del
Mesozoico, son muy escasos, conociéndose hasta el momento sólo tres especies …

Tooth remains of the elasmobranch Ptychodus are common in Late Cretaceous marine in
both nearshore and deep water deposits worldwide. Although they are typically found as …

We describe isolated shark teeth collected from levels of the Calafate Formation at the SE
coast of the Argentino Lake, Calafate city, Santa Cruz province, Argentina (Atlantic Ocean) …

Body size variation of a predator is a simple way to follow the main changes in its food
source during its life history or along its evolution in ecology and paleoecology, respectively …

Eight isolated teeth of the Late Cretaceous anacoracid shark, Pseudocorax laevis (Leriche),
from the Smoky Hill Chalk Member of the Niobrara Chalk in western Kansas are formally …

A lag deposit between the Tocito Sandstone and Mulatto Tongue of the Upper Cretaceous
Mancos Shale in Sandoval County, New Mexico, USA, contains a fossil assemblage of late …

The most recent systematic reviews of the genus Somniosus recognized two subgenera: the
subgenus Somniosus, including the largest sleeper sharks (4.0+ m length), S.(S.) …