Directory: Top/Science/Earth_Sciences/Paleontology/Vertebrates/Early

Top / Science / Earth_Sciences / Paleontology / Vertebrates / Early_Tetrapods /

Tiktaalik roseae: A Missing Link?
The finding of a fossil of this species seems to close the gap between the fish Panderichthys and the tetrapod Acanthostega. This article summarises the scientific report that appeared in the journal, Nature.
http://www.earthhistory.org.uk/technical-issues/tiktaalik-roseae/
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Acanthostega
Information from Wikipedia on this extinct tetrapod genus, one of the first vertebrate animals to have recognizable limbs.
http://en.wikipedia.org/wiki/Acanthostega
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Fish to Amphibian
This article discusses the evidence for the transition of certain fish into tetrapods and argues that things are not as clear-cut as they seem.
http://www.earthhistory.org.uk/transitional-fossils/fish-to-amphibian/
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Discovery of a Transitional in Romer's Gap
Article on the discovery in 2002 of a tetrapod fossil, Pederpes finneyae, which seems to fill the gap between the very earliest and later tetrapods.
http://www.evolutionpages.com/pederpes%20finneyae.htm
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Creatures from the Black Lagoon
Information from the BBC on the discovery of a fossil of Eucritta melanolimnetes in a limestone wall in Scotland and the ensuing discoveries in the Black Lagoon from which the stone had come.
http://www.bbc.co.uk/worldservice/sci_tech/highlights/001219_blacklagoon.shtml
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Eucritta melanolimnetes
Description of this early tetrapod, photograph of its fossil remains, and a reconstruction of its skeleton provided by the Tree of Life Web Project.
http://tolweb.org/Eucritta_melanolimnetes
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Fossil Helps Document Shift from Sea to Land
New fossils of an ancient, four-limbed creature, Ventastega curonica, help fill in the blanks of the evolutionary transition between fish and the first land-adapted vertebrates.
http://www.sciencenews.org/view/generic/id/33623/title/Fossil_helps_document_shift_from_sea_to_land
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American Museum of Natural History: Buettneria
Provides information on Buettneria which was an amphibious predator that lived about 300 million years ago.
http://www.amnh.org/exhibitions/expeditions/treasure_fossil/Fossils/Specimens/buettneria.html
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