G. Niedźwiedzki

Publications101
h-index25
Citations2,097
Highly Influential Citations145
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The earliest bird-line archosaurs and the assembly of the dinosaur body plan.
TLDR
It is demonstrated that several anatomical features long thought to characterize Dinosauria and dinosauriforms evolved much earlier, soon after the bird-crocodylian split, and that the earliest avemetatarsalians retained the croc Codylian-like ankle morphology and hindlimb proportions of stem archosaurs and early pseudosuchians.
A Dicynodont-Theropod Association in the Latest Triassic of Poland
It is generally accepted that during the Triassic the composi− tion of tetrapod faunas underwent a series of fundamental transformations, mainly as a result of diversification of archosaurs and…
Tetrapod trackways from the early Middle Devonian period of Poland
TLDR
Well-preserved and securely dated tetrapod tracks from Polish marine tidal flat sediments of early Middle Devonian (Eifelian stage) age are presented, forcing a radical reassessment of the timing, ecology and environmental setting of the fish–tetrapod transition, as well as the completeness of the body fossil record.
Footprints pull origin and diversification of dinosaur stem lineage deep into Early Triassic
TLDR
Investigating trace fossils and body fossils from the Early–Middle Triassic of Poland demonstrates that the rise of dinosaurs was a drawn-out affair, perhaps initiated during recovery from the Permo-Triassic extinction.
The Taxonomy and Anatomy of Rauisuchian Archosaurs from the Late Triassic of Germany and Poland
TLDR
Comparison of the maxillae of T. suevicus and T. silesiacus reveals that the two are distinct taxa, contra recent suggestions, but also that they do not share any synapomorphies or a unique combination of characters relative to Postosuchus kirkpatricki and other rauisuchians.
Basal dinosauriform and theropod dinosaurs from the mid–late Norian (Late Triassic) of Poland: implications for Triassic dinosaur evolution and distribution
The rise of dinosaurs during the Triassic is a widely studied evolutionary radiation, but there are still many unanswered questions about early dinosaur evolution and biogeography that are hampered…
Climatic reversals related to the Central Atlantic magmatic province caused the end-Triassic biotic crisis—Evidence from continental strata in Poland
Eight climatic events can be distinguished in the Triassic–Jurassic (ca. 201 Ma) continental strata of Poland. These events are distinguished by kaolinite/illite ratio, chemical index of alteration…
Insects and crustaceans from the latest Early-early Middle Triassic of Poland
Limulitella tejraensis, a new species of limulid (Chelicerata, Xiphosura) from the Middle Triassic of southern Tunisia (Saharan Platform)
TLDR
This is the first report of limulid body fossils from the Triassic of North Africa and the first documentation of Limulitella in the Middle Tri Jurassic of northern Gondwanaland.
Late Permian vertebrate tracks from the Tumlin Sandstone, Holy Cross Mountains, Poland
This paper describes the vertebrate ichnofauna from the Tumlin Sandstone (Buntsandstein) of the Holy Cross Mountains in Poland. The footprint assemblage has previously been regarded as Early Triassic…
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