Estimating deep-time species-level diversification processes remains challenging. Both the
fossil record and molecular phylogenies allow the estimation of speciation and extinction …

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

Extensive bulk sampling of seven horizons of a continuous succession deposited in an outer
neritic environment of the latest Maastrichtian yielded more than three thousand ichthyoliths …

This study reports elasmobranch remains from two fossil‐rich horizons in the earliest Danian
Olching Formation at Waidach, Austria. These outer neritic assemblages complement …

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

Over the last few years, the morphology, taxonomy and systematics of the cartilaginous fish
taxa of the two main sites of the Bolca Lagerstätte, Italy,(Pesciara and Monte Postale sites) …

A diverse fish paleofauna occurs in the upper Campanian portion of the Rybushka
Formation exposed near Saratov city in the Saratov Oblast, Russia. Twenty taxa have been …

The present contribution aims is to analyze the fossil record of the genus Echinorhinus in
South America, and particularly Argentina. We made a first-hand examination of the species …

Estimating how traits evolved and impacted diversification across the tree of life represents a
critical topic in ecology and evolution. Although there has been considerable research in …

Upper Cretaceous coastal marine deposits are widespread in the Southern Urals with a
number of marine vertebrates previously reported from this region. However, previous …