The structure of the inner ear in mammals is highly informative with respect to locomotor agility and hearing sensitivity.

Tendons are elements connecting muscles and bones. In most vertebrates, they are flexible and elastic but in dinosaurs (including birds) some of them ossify.

Retiolitids are one of the group of graptolites with collagenous skeleton (rhabdosome) formed mostly by a network of lists.

Otoliths are calcium carbonate components of the inner ear in teleost fish.

The Owadów–Brzezinki palaeontological site is a new Jurassic taphonomic window.

Plateosaurus trossingensis is one of the largest herbivorous Late Triassic dinosaurs…

Formation of the biomineral structures in the inner ear (otoliths and smaller, but having the same function otoconia) is tightly linked to the formation of organic matrix framework, among which the
otolin-1, a short collagen-like protein, is one of its major components.

Foraminifera living in the fjords of South Georgia were studied…

A special issue of the Annales Societatis Geologorum Poloniae…

The material is composed of well-preserved isolated tracks, manus-pes couples, and a slab with trackways composed of approximately 20 tracks …

The Vossenveld Formation cropping out near Winterswijk in the Netherlands is well known because of its rich Middle Triassic marine reptile fauna assemblage…

The Upper Cambrian Słowińska Formation yielded minute three-dimensionally preserved, phosphatic microfossils.

Acta Societatis Botanicorum Poloniae, the journal of the Polish Botanical Society, founded in 1922, published a special collection of papers entitled Polish Botany Centennial.

Neoplasms are diseases that develop when body cells divide uncontrollably

Foraminifera and closely related gromiids dominate meiobenthos communities in polar regions…

Omphalosauridae are one of the most enigmatic groups of Mesozoic marine reptiles.

The description of the spicules’ shape and the skeleton organization represents the fundamental basis of sponge taxonomy and systematics.

Up to now, Mesozoic statoliths were known only from the Jurassic…

Morphometric analyses revealed that these thecae likely represent the same species…

A new genus and species of feather star is named Ausichicrinites zelenskyyi…

Siderite masses from the Miocene of Turów mine have been the subject of much controversy…

Traditional Caryophylliidae has been known as the most speciose scleractinian coral family…

We sequenced the first complete mitochondrial genome of the pygmy rabbit…

Very rare finding: a tree leaf overgrown by marine bryozoans…

Are archaeocyaths,so far classified as sponges, algae?

Ischyrodon meriani is an obscure pliosaurid taxon from the Middle Jurassic of Switzerland.

The assemblage that consisted of skeletal elements (spicules) of “soft” demosponges…

Permian deposits of the Boskovice Basin in the Czech Republic have yielded hundreds of seymouriamorph individuals (a group of extinct tetrapods).

Cryptic species pose a great challenge for the traditional taxonomy and estimates of the actual species diversity…

The Lower Oligocene rocky-shore deposits at Mammendorf, central Germany yielded a surprisingly rich brachiopod fauna, containing 13 species belonging to 11 genera.

60 species of Middle Devonian brachiopods are described from Jbel Issoumour (Anti-Atlas, Morocco).

Devonian crinoids from Holy Cross Mountains, including a new species – Codiacrinus sevastopuloi, were described.

A paper on ichnology of stalked crinoids are published…

Paleoclimate reconstructions commonly use oxygen isotope compositions from fossil foraminifera tests as proxies.

Sponges are important components of modern and fossil aquatic environments.

Borogovia gracilicrus is a theropod dinosaur from the uppermost Cretaceous of Mongolia. It was discovered during the 1971 Polish-Mongolian paleontological expedition to the Nemegt Basin.

Ornithischians represent one of the three major radiations of dinosaurs. Throughout their evolutionary history, exceeding 134 million years, ornithischians evolved considerable diversity…

The Late Triassic (ca. 225 million years ago) was an important period in the evolutionary history of ichthyosaurs, which saw the rise of their advanced ‘fish-shaped’ representatives.

Stable isotopes and predation marks shed new light on ammonoid habitat depth preferences

The results of new research on the giant siliceous basal spicule of the deep water sponge Monorhaphis chuni…

The authors described coralliths (unattached coral colonies passively rotated by water movement)…

The object of the paper is to show how using modern technology (neutron tomography, fluorescence) allows extracting more information…

The ammonoids are extinct cephalopods with predominantly planispirally-coiled shells. The term ‘heteromorph ammonoids’ is deeply rooted in literature to ecompass ‘aberrant’ ammonoids…

Polyps in different locations on individual stony coral colonies experience variation in numerous environmental conditions including flow and light…

Hydrothermal vent communities are associations of animals living in deep sea around sulphide chimneys. Their feeding strategies are based on chemosynthesis by microbial primary producers.

Senile dinosaurs are very rare in fossil record. The study is focused on the biggest specimen of Gobihadros mongoliensis.

The paper provides evidence of the coral-algal symbiosis among the Triassic (Carnian, ca. 230 Ma) corals living on the patch reefs of the Western Tethys (deposits currently exposed in the Dolomite Alps, Italy).

The historical locality of Kocury yielded the first definitive dinosaur remains from Poland, Velocipes guerichi von Huene, 1932, but quickly fell into obscurity.

Papiliograptus retimarginatus n. sp. is reported from the praedeubeli/deubeli Biozone…

Palaeolagus, an early lagomorph from the Eocene–Oligocene of North America, is important for our understanding of the anatomy of the hypothetical last common ancestor of extant lagomorphs…

Calcitic rugosan vs. aragonitic scleractinian corals? What if modern scleractinian coral forms a bimineralic skeleton?