Jurassic ammonites from Patagonia
Jurassic sediments of hydrocarbon seeps from La Elina Ranch (northern Patagonia) are the only source of information on this kind of environment in South America.
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Author: Agnieszka K.
An armoured marine reptile from the Early Triassic of South China
A Polish-Chinese research team described a new saurosphargid marine reptile from the Early Triassic of China (Hubei Province)…
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Otoliths of fish from the Early Cretaceous of Poland
About 140 million years ago, Poland was a sea connecting the Tethys Ocean with the Boreal Sea…
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Plesiosaurus teeth from the Owadów-Brzezinka site
The Owadów-Brzezinki quarry is one of the most important paleontological sites in Poland…
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Trematospondylus, a long-forgotten middle Jurassic plesiosaur
Described in 1858, Trematospondylus macrocephalus from the Bathonian (Middle Jurassic) of Germany is one of the earliest established plesiosaur taxa.
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A new classification of sponges from the Eocene of Australia
The newly collected, very rich and well preserved material showed that previously wrongly attributed Eocene sponges from SW Australia…
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Shri devi – velociraptor from Mongolia
The material of a carnivorous dinosaur found in the 1970s by a Polish-Mongolian paleontological expedition in the Gobi Desert is newly interpreted as belonging to the Shri devi species…
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Brachiopod diversity gradient
The latitudinal diversity gradient is one of the most extensive and important biodiversity patterns on the Earth.
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Foraminifera in the sediments of the Beagle Channel
Foraminifera, a group of unicellular organisms, are commonly used as bioindicators in paleoenvironmental studies. Unfortunately, their distribution in many key areas is poorly understood.
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Shell ornamentation as a defensive structure
Shell ornamentation of marine calcifiers is considered as a potential anti-predatory defensive structure.
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