Tag: shark tooth
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Fossil Friday #238: Edestus heinrichi from St. David, IL
This is the “Fossil Friday” post #238. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! Long time ESCONI member Ralph Jewell sent…
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New analysis of tooth minerals confirms megalodon shark was warm-blooded
Phys.org has an article about Megalodon. Otodus megalodon, which means “big tooth”, was a very large shark that lived from the Oligocene 28 million years ago up to the Pliocene, just 3.6 million years ago. O. megalodon is classified as a mackerel shark, which is not closely related to the great white shark, Carcharodon carcharias. …
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Fossil Friday #150: Cladodont shark tooth
This is the “Fossil Friday” post #150. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! For this week, we have a very…
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Fossil Friday #145: Bony fish teeth from North Carolina
This is the “Fossil Friday” post #145. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! Today, we have some interesting fossil fish…
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Fossil Friday #76: Pennsylvanian Shark Tooth
This is the “Fossil Friday” post #76. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! For this week, we have a rare…
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New Prehistoric Shark Species Discovered Alongside Sue the T. Rex Named for ESCONI’s Karen Nordquist
CREDIT: (C) VELIZAR SIMEONOVSKI, FIELD MUSEUM ESCONI member and past president Karen Nordquist was honored by having a shark named for her. The details are in this Smithsonian.com article. The freshwater shark Galagadon nordquistae lived alongside SUE the T. rex, about 67 million years ago. More information is in the press release from the AAAS.…
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What Is a Shark Tooth Doing in the Neck of a Flying Pterosaur?
LiveScience has an article about the curious discovery of a shark tooth. Back in 1965, the fossil of a large pterosaur, a Pteranodon, was discovered in the Smoky Hill Chalk formation in Kansas. The animal lived between about 86 and 83 million years ago. It had a wingspan of about 16 feet. It seems that…
