Organizational structure of the Institute of Paleobiology - Institute Of Paleobiology Polish Academy of Sciences

08.04.2026 13:16

Two new Triassic turtles from Greenland

Turtles appeared in the Triassic and quickly attained global distribution. Yet, until recently, their early diversity was poorly recognized. The paper presents two new genera and species of Triassic turtles from Greenland established based on material collected in the late 20^th century.

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Map of Denmark with the location of the studied sites and an illustration of an ammonite with explanations of morphological terms

31.03.2026 12:09

Species concept in palaeontology

Principles of species identification in fossil material are a fundamental problem in palaeontology. This paper illustrates the issue through a taxonomic analysis of a collection of ammonites of the Pachydiscus neubergicus group from the Maastrichtian chalk of Denmark.

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23.03.2026 11:34

Organic carbon burial in fjords of South Georgia

Despite their limited surface area, fjords play a disproportionately large role in the global organic carbon cycle. Those in the remote regions of the Southern Ocean are particularly poorly understood.

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12.03.2026 13:52

At the origin of cowries

Colombellinidae was a family of small marine snails that inhabited warm shallow seas during the Jurassic and earliest Cretaceous. This extinct group was revised based on all known fossils. The family included only two genera. Additionally, a new species from Bulgaria was described.

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03.03.2026 10:18

Antarctic Cretaceous and Paleogene crinoids

Research conducted on Seymour Island has shown that stalked crinoids continuously inhabited the shallow seas of Antarctica from the Late Cretaceous through the Paleogene.

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02.03.2026 14:27

Morphogenesis of the echinoderm diamond-type stereom

The echinoderm skeleton has a remarkable microstructure known as stereom. It is composed of calcitic trabeculae with curvatures close to “saddle-shaped” forms, characteristic of minimal surfaces, whose classical physical model is soap films stretched across wire frames, and whose mathematical example is the catenoid.

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