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Institute of Paleobiology Polish Academy of Sciences

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The concept of ‘heteromorph ammonoids’

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

Biomineralization of stony coral Stylophora

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

New species of late Cretaceous gastropods from Cyprus

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.

Age-related diseases of dinosaurs

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

Late Carnian symbiotic corals

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).

A new aetosaur from Poland

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

A new retiolitid from Poland

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

Palaeolagus, an early lagomorph

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…

A modern scleractinian coral with a two-component calcite–aragonite skeleton

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