Chondrichthyes (including sharks, rays, and chimaeras) are a class of jawed cartilaginous
fishes (with skeletons composed primarily of cartilage), with major relevance to the marine …

Cenozoic ectothermic continental tetrapods (amphibians and reptiles) have not been
documented previously from Antarctica, in contrast to all other continents. Here we report a …

Antarctica has significant environmental, scientific, historic, and intrinsic values, all of which
are worth protecting into the future. This continent has a discrete number of places of …

Many explanations for Eocene climate change focus on the Southern Ocean—where
tectonics influenced oceanic gateways, ocean circulation reduced heat transport, and …

The early Miocene is characterized by warm conditions until the middle Miocene when
temperatures dropped significantly. The presence of tropical to subtropical invertebrate …

A new fossil skate, Ostarriraja parva gen. et sp. nov., represented by a single partial
articulated skeleton collected from the early Miocene fish-bearing strata of Upper Austria, is …

Sharks are virtually absent from coastal Antarctica since the Late Eocene glaciations, but
this group exhibited a notable austral diversity during the Cretaceous and Paleogene …

The presence of eagle rays of the genus Aetomylaeus in the Neogene of the Temperate
Pacific coast of South America (TPSA) still is ambiguous, although the fossil record of …

In recent years, the taxonomy and systematics of the cartilaginous fish taxa from the Eocene
La Meseta Formation of Seymour (Marambio) Island, Antarctica have been extensively …

Notothenioid fishes, a perciform group, radiated in the cold shelf waters around the Antarctic
continent and the 110 species dominate fish diversity, abundance, and biomass at levels …