Abstract Sawsharks (Order: Pristiophoriformes, Family: Pristiophoridae) are a highly
distinctive group of sharks, characterized by a tapering saw‐like rostrum with a pair of …

As part of the transition from Holostei to Teleostei,† Pachycormiformes represent a key
group of fishes. However, the anatomy and phylogenetic relationships of the group in the …

In contrast to the rich collections of articulated spiny-rayed fishes from early Late Cretaceous
and Eocene Lagerstätten, similar skeletal remains are sparse in Maastrichtian–Paleocene …

This research presents new material of ray-finned fishes recovered from Upper Cretaceous
strata exposed in the city of Algarrobo, central Chile. The material includes specimens here …

Aristonectines show a highly derived morphology among elasmosaurid plesiosaurs,
including some species with large body size. A new postcranial skeleton is described from …

This article describes a rich and diversified elasmobranch fauna collected from the Upper
Campanian Northumberland Formation, a part of the Nanaimo Group, exposed on Hornby …

Abstract The Filo Negro Section, on Seymour Island (Antarctic Peninsula), is a fossiliferous
section with great potential for Late Cretaceous–Paleogene studies, which also presents an …

The fossil record of marine ray-finned fishes (Actinopterygii) from the time interval
surrounding the Cretaceous–Paleogene (K–Pg) extinction is scarce at a global scale …

Abstract The Snow Hill Island Formation (SHIF; late Campanian–early Maastrichtian) crops
out in the northeast of the Antarctic Peninsula and constitutes the basal part of the late …

Due to the peculiar combination of dental features characteristic for different squaliform
families, the position of the Late Cretaceous genera Protoxynotus and Paraphorosoides …