Author: Agnieszka K.

Spirotubus are puzzling microfossils from southern Poland, dating from the Devonian period, around 380 million years ago.

The article presents an overview of marine environments that existed in the area of present-day Poland around 380–360 million years ago, during the Devonian period, when this region was covered by an extensive shallow and warm sea.

The authors performed a taxonomic revision (in other words, a restudy) of silicified plant remains from the Miocene of Tokaj Mountains (Hungary).

An erratic chert pebble discovered in an exposure of the Pleistocene till in Norfolk, UK, contains graptolites and microfossils preserved three-dimensionally in silica.

New, very sensitive methods allowed analysing seasonal changes of strontium isotopes in woolly mammoth teeth…

Throughout their long evolutionary history, crinoids developed pseudoplanktonic lifestyles and attached themselves with long stalks to driftwood.

Protoceratopsids were small horned dinosaurs common in the Late Cretaceous rocks of the Gobi Desert.

Seas in the Jurassic were much different from now.

Lithistids, an informal grouping of demosponges, are sponges with skeletons built of articulated spicules.

Ichthyosaurs are one of the symbols of the Mesozoic and, alongside whales, the best-adapted to a marine lifestyle amniotes.