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See all on WikipediaZachelmie trackways - Wikipedia
The Zachelmie trackways are a series of Middle Devonian-age trace fossils in Poland, purportedly the oldest evidence of terrestrial vertebrates (tetrapods) in the fossil record. These trackways were discovered in the Wojciechowice Formation, an Eifelian-age carbonate unit exposed in the Zachełmie Quarry … See more
In January 2010, a group of paleontologists published a paper which showed that the first tetrapods appeared long before any know fossils of Tiktaalik or other elpistostegids. This paper was accompanied by … See more
Tiktaalik's discoverers were skeptical about the Zachelmie trackways. Daeschler said that trace evidence was not enough for him to modify the … See more
Wikipedia text under CC-BY-SA license Devonian Tetrapod Trackways of Holy Cross mountains …
WEBWell-preserved and securely dated tetrapod tracks of early Middle Devonian rocks have been found in Zachelmie Quarry (Poland). These tetrapod tracks are the oldest in the world and suggest that tetrapods evolved 18 …
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Tetrapod tracks reset timing of four-legged evolution
WEBJan 5, 2012 · A team of scientists from Warsaw University found the tetrapod tracks in the Zachelmie quarry in Poland’s Holy Cross Mountains. The rocks that bear the tracks are shallow-water carbonate deposits, …
Tetrapod trackways from the early Middle Devonian period of …
WEBJan 7, 2010 · The Zachełmie trackways show that very large stem-group tetrapods, exceeding 2 m in length, lived in fully marine intertidal to lagoonal environments along …
Non-marine palaeoenvironment associated to the …
WEBJan 18, 2018 · The earliest known tetrapod fossils, from the Middle Devonian (approximately 390 million years old) of Zachełmie Quarry in Poland, are trackways made by limbs with digits; they document a...
Fossil tracks push back the invasion of land by 18 million years
WEBJan 6, 2010 · The tracks are found in the disused Zachelmie Quarry, nestled among Poland’s Holy Cross Mountains. The area used to be part of a tidal plain. Rocks from the …
Tiktaalik - Wikipedia
WEBIn January 2010, a group of paleontologists (including Ahlberg) published on a series of trackways from the Eifelian stage of the Middle Devonian, about 12 million years older than Tiktaalik. These trackways, …
Fossil footprints give land vertebrates a much longer history
WEBJan 8, 2010 · In the new study a Polish-Swedish team describe a rich and securely dated footprint locality from Zachelmie Quarry in Poland that pushes back the origin of …
Non-tetrapod trace fossils from the Middle Devonian
WEBApr 1, 2020 · The Middle Devonian (Eifelian) dolomites exposed in the Zachełmie Quarry (Holy Cross Mountains, southern Poland) contain the earliest fossil record of tetrapods. …
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