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 …

Ptychodus mortoni Mantell is a Late Cretaceous shark that possessed pavement-like tooth
plates that were used to feed on hard-shelled macroinvertebrates (durophagy). Here, we …

The taxonomic origin of the white shark, Carcharodon, is a highly debated subject. New
fossil evidence presented in this study suggests that the genus is derived from the broad …

Pseudocorax laevis (Leriche) is a Late Cretaceous anacoracid shark. Here, I describe the
first associated teeth of P. laevis (along with unidentifiable fragments of calcified cartilage) …

ABSTRACT A partial association of fourteen teeth from a small lamniform shark with
uncertain affinities is described. The material comes from the middle? Albian of Peru and …

The Lamniformes are a shark clade which occupies the highest trophic-level regimes in
extant marine ecosystems, and includes the largest fish-eating shark, Carcharodon …

Three species of the Carboniferous symmoriiform shark genus Denaea, viz. D. saltsmani sp.
nov., D. williamsi sp. nov., and D. meccaensis WILLIAMS, 1985, were recognised from North …

We describe a new large otodontid lamniform shark, Megalolamna paradoxodon gen. nov.
et sp. nov., chronostratigraphically restricted to the early Miocene (Aquitanian–Burdigalian) …

The megamouth shark, Megachasma pelagios Taylor, Compagno, and Struhsaker, 1983
(Lamniformes: Megachasmidae), is a large (up to ca. 5.5 m), epipelagic, planktonivorous …

Re-evaluation of teeth referred to the Late Cretaceous shark Ptychodus polygyrus from
North America are hereby determined to be synonymous with another species having …