Tag: tetrapod
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Mazon Monday #289: Ctenerpeton remex at Mazon Creek
This is Mazon Monday post #289. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. More exciting Mazon Creek research is out. Featured here is a short paper in the journal Vertebrate Anatomy Morphology Palaeontology (VAMP), which details the first occurrence of the urocordylid Ctenerpeton remex in the Mazon Creek fossil deposit! Arjan Mann, a…
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380-Million-Year-Old Fossils of Air-Breathing Tetrapod Fish Found in Australia
SciNews has a story about the discovery of a Devonian tetrapodomorph fish in Australia. Harajicadectes zhumini lived about 380 million years ago near what is now central Australia. The animal was described in the paper “A new stem-tetrapod fish from the Middle–Late Devonian of central Australia” in the journal Vertebrate Paleontology. “Tetrapodomorpha comprises the limbed tetrapods…
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Mazon Monday #167: Phlegethontia longissima
This is Mazon Monday post #167. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Phlegethontia longissima is a leg-less animal, often incorrectly called an amphibian. It is a vertebrate, which is classified as an aistopod from the Carboniferous and Permian periods. It has been found in Europe and North America. As with any…
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PBS Eons: Our Ancient Relative That Said ‘No Thanks’ to Life on Land
PBS Eons has a new episode on Youtube. This one is about a particular tetrapod that seems to have returned to the ocean after venturing onto land. Around the time that some of our fishapod relatives were crawling out of the water, others were turning around and diving right back in.
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Nature: Snake-like limb loss in a Carboniferous amniote
Nature Ecology & Evolution has a new paper on Mazon Creek tetrapods. This paper describes snake-like limb loss in an amniote, Nagini mazonense, found in the Mazon Creek fossil deposit. The authors are Arjan Mann of the Smithsonian Institution, Jason Pardo of the Field Museum, and Hillary Maddin of Carleton University in Ottawa, Ontario, Canada. Arjan…
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Mazon Monday #87: Video for November 2021 Paleontology Meeting – “The Linton Ohio Coal Mine; a unique look into Carboniferous Tetrapods”
This is Mazon Monday post #87. What’s your favorite Mazon Creek fossil? Tell us at esconi.info@gmail.com. The ESCONI November 2021 Paleontology was held on Saturday, November, 20th, 2021 at 7:30 PM. The presentation was by ESCONI member Mike Payne. It’s called “The Linton Ohio Coal Mine; a unique look into Carboniferous Tetrapods”. The Diamond Coal…
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ESCONI November 2021 Paleontology Meeting – November 20th, 2021 at 7:30 PM – “The Linton Ohio Coal Mine; a unique look into Carboniferous Tetrapods”
The ESCONI November 2021 Paleontology will be held on Saturday, November, 20th, 2021 at 7:30 PM. We are doing another hybrid in-person/Zoom meeting. The presentation is by ESCONI member Mike Payne. It’s called “The Linton Ohio Coal Mine; a unique look into Carboniferous Tetrapods”. The Diamond Coal Mine in Linton, OH dates to the mid…
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How did forelimb function change as vertebrates acquired limbs and moved onto land?
Phys.org has a piece about some new research that explored how early tetrapods used they newly acquired legs. It’s generally accepted that tetrapods migrated from water to land about 390 million years ago, during the Devonian Period. And, while the stages in the transition are understood, this research was about function…. How did the animals…
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Mazon Monday #41: Revisiting the exceptional tetrapod fauna of Mazon Creek, Illinois
This is Mazon Monday post #41. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. This article is republished from the January 20201 ESCONI Newsletter. If you are a member, you will receive this newsletter January – June, July/August, and September – December during the year. Please consider joining ESCONI for $20 a year…
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Reminder: ESCONI November 2020 General Meeting – November 13th, 2020 at 8:00 PM via Zoom – “New Tetrapod Discoveries from Mazon Creek”
Our speaker via Zoom in November is Dr. Arjan Mann. Arjan recently received his PhD from Carleton University in Toronto. He is transitioning to a postdoc position at Harvard. Arjan co-authored articles naming two new species of microsaurs called Diabloroter and Infernovenator. The title of his talk is “New Tetrapod Discoveries from Mazon Creek”. Zoom…
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ESCONI November 2020 General Meeting – November 13th, 2020 at 8:00 PM via Zoom – “New Tetrapod Discoveries from Mazon Creek”
Our speaker via Zoom in November is Dr. Arjan Mann. Arjan recently received his PhD from Carleton University in Toronto. He is transitioning to a postdoc position at Harvard. Arjan co-authored articles naming two new species of microsaurs called Diabloroter and Infernovenator. The title of his talk is “New Tetrapod Discoveries from Mazon Creek”. Here’s…
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Rainforest collapse 307 million years ago impacted the evolution of early land vertebrates
Phys.org has a story about a mass extinction in plants that occurred during the Pennsylvannian Period. Researchers from the University of Birmingham published a paper in the Proceedings of the Royal Society B. The mass extinction seems to have been caused by the onset of a drier climate 307 million years ago. This led to…
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Lecture This Friday 10/12/2012 – Permian Tetrapods
ESCONI General Meeting 8:00 p.m. College of Dupage, – Tech Ed (TEC) Building, Room 1038A (Map)Topic: Mike Henderson will speak on Captorhinus and friends, the lower Permian Tetrapods of the Fort Sill fissure fillings southern Oklahoma
