The fossil record of the southeastern Pacific Ocean has been scarcely studied compared to
other regions. We present the detailed description of two pelagic shark species, Alopias …

The extant megamouth shark, Megachasma pelagios (Lamniformes: Megachasmidae), is a
large filter-feeding fish. We here describe a new species of Megachasma, M. applegatei, sp …

A detailed taxonomic study of a diverse chondrichthyan fauna from the Ladinian–Carnian
(Middle–Late Triassic) interval at Nimaigu locality in Guizhou Province, South China is …

Both the preservation of the poorly mineralized skeleton of sharks and the preservation of
stomach contents are rarely observed in the fossil record. Here we report on a partial …

Two new lamniform sharks, Leptostyrax stychi sp. nov. and Protolamna sarstedtensis sp.
nov., based on isolated oral teeth from the Early Barremian (Early Cretaceous) of NW …

ABSTRACT Extinct lamniform sharks (Elasmobranchii: Lamniformes) are well represented in
the late Mesozoic‒Cenozoic fossil record, yet their biology is poorly understood because …

A partial vertebral series of a lamniform shark (Chondrichthyes: Elasmobranchii) occurred in
the “Vallecillo fish Member” of the Agua Nueva Formation (Upper Cretaceous: Lower …

Three-dimensional Late Cretaceous elasmobranch endoskeletal elements (including
palatoquadrates, ceratohyals, braincase fragments, and a series of anterior vertebrae) are …

The Hartland Shale Member of the Greenhorn Limestone is an Upper Cretaceous
sedimentary rock unit deposited in the middle of an epicontinental sea in North America …

Presented here is a comprehensive monograph of all the members of the Late Cretaceous
shark family Ptychodontidae. It is composed of two genera, Paraptychodus and Ptychodus …