Tag: shark
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Fossil Friday #287: Palaeoxyris multiplicatum
Hunter Nettles brought an absolutely breathtaking specimen of Palaeoxyris multiplicatum to the Mazon Creek Fossil Day. This specimen was found last year (2024) in the Pit 1 locality of Mazon Creek.
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Fossil Friday #285: Palaeoxyris lewisi
This is the “Fossil Friday” post #285. 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 Bluesky/Twitter hash tag for contributions from around the world! We have a beautiful Palaeoxyris lewisi shark egg case…
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Fossil Friday #274: Palaeoxyris prendeli from Terre Haute
This is the “Fossil Friday” post #274. 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! —————————————————– Palaeoxyris prendeli is a shark egg…
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PBS Eons: Could This Sperm Whale Eat The Meg?
There’s a new PBS Eons. This one is about Sperm Whales and the fearsome shark Megalodon… who would eat who?!? Unlike in fiction, giant whales do not emerge fully-formed from the ocean deep. So, where did Livyatan melvillei come from? How did such a large predator live? And what caused the titan to die out?…
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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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Fossil Friday #232: Knob Noster Fossils
Knob Noster is a fossil deposit contemporaneous with Mazon Creek, which dates to about 308 million years ago. Currently, the Knob Noster locality is thought to have be located across a large bay from the Mazon Creek locality. Both were just south of the equator in the tropical Pennsylvanian seas. The red dot below represents…
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Fossil Friday #221: Edestus heinrichi Shark Tooth
This is the “Fossil Friday” post #221. 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! Another contribution to Shark Week…. an Edestus…
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Mazon Monday #224: Holmacanthus keithi
This is Mazon Monday post #224. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. In keeping with Shark Week on the Discovery Channel, we have a Mazon Creek shark… Holmacanthus keithi for this week’s Mazon Monday. Holmacanthus keithi was named for Keith Holm, who found the holotype in Pit 11 in the early…
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Fossil Friday #195: Acanthodes beecheri
This is the “Fossil Friday” post #195. 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’s Fossil Friday, we have…
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Fossil Friday #192: Palaeoxyris lewisi
This is the “Fossil Friday” post #192. 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! Shark egg cases are back on the…
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Fossil Friday #191: Acanthodes beecheri
This is the “Fossil Friday” post #191. 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’s Fossil Friday, we have…
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Fossil Friday #163: Mazon Creek Shark Egg Case
This is the “Fossil Friday” post #163. 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! We have another Mazon Creek fossil today. …
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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 #140: Palaeoxyris multiplicatum
What says Christmas more than a fossilized shark egg case from Mazon Creek? Well, Palaeoxyris has always reminded me of the finial Christmas ornaments.
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Fossil Friday #106: Palaeoxyris prendeli from Central Illinois
This is the “Fossil Friday” post #106. 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! This week’s Fossil Friday is a twofer……
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Fossil Friday #86: Mazon Creek Shark Egg Case
This is the “Fossil Friday” post #86. 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! There are a few species of shark…
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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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Fossil Friday #74: Belotelson magister
This is the “Fossil Friday” post #74. 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 both a nice fossil…
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Mazon Monday #19: Bandringa rayi
This is Mazon Monday post #19. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Would you believe that Illinois has a shark nursery? OK, it is about 307 million years old and the evidence resides in Mazon Creek fossil concretions. The first species, Bandringa rayi, was described in a paper published by Rainer…
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Mazon Monday #9: Acanthodes beecheri
This is Mazon Monday post #9. Acanthodes beecheri is the subject of this Species Spotlight. Some of the material in this post was provided by David Duck. Dave has a deep appreciation and interest in the Mazon Creek fauna and flora. He has even constructed 3-D models of quite a few of the Mazon animals,…
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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…
