Tag: fossil
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Mazon Monday #10: Pennsylvanian Siderite Concretionary Fossil Sites
This is Mazon Monday post #10. Fossiliferous Pennsylvanian siderite concretions are known from multiple locations around the world. The most well documented sites are: Some of these localities were described in a paper by Baird, Sroka, and Shabica in 1985, titled “Mazon Creek-Type Fossil Assemblages in the U.S. Midcontinent Pennsylvanian”. A post on the Fossil…
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Fossil Friday #8: Trilobites from St. Paul Quarry
This is the “Fossil Friday” post #8. 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! —————————————————– Trilobites from the St. Paul Stone…
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Trilobite Tuesday #9: PBS Eons “The Trouble With Trilobites”
The PBS Eons channel on Youtube has new videos about once a week. If you love paleontology or have just a passing interest in paleontology, you will love the videos. https://www.youtube.com/watch?v=Aji2VnQFUCs Enjoy this past episode of PBS Eons. It’s all about the trilobites! Trilobites are famous not just because they were so beautifully functional, or…
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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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Fossil Friday #7: Brachiopods From The Silica Shale in Ohio
This is the “Fossil Friday” post #7. 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’s fossils for Fossil Friday are brachiopods…
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Trilobite Tuesday #8: Trilobite State Fossils
Please note: most of the information used here came from the State Fossil page on Fossilera. It has information on all the state fossils, including state dinosaurs and state “stones”. They have nice pictures and a brief description with links for each one. All but seven states have state fossils. There are three types of trilobite that…
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Mazon Monday #8: Testajapyx thomasi
This is Mazon Monday post #8. Testajapyx thomasi is the subject of this Species Spotlight, You may recognize the name of this species. It is named for ESCONI member, Tom Testa. Tom is a prolific, some might even say legendary, Mazon Creek collector. A great part of his collection resides in the Field Museum and…
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Fossil Friday #6: Fossils From The Mazon River
This is the “Fossil Friday” post #6. 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! Here are various Mazon Creek fossils from…
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Trilobite Tuesday #7: When Trilobites Ruled the World
It’s a few years old… March 3rd, 2014, but trilobites are even older! The New York Times has an great article called “When Trilobites Ruled the World” by Natalie Angier, who does excellent science writing on many, many subjects from geology to paleontology to genetics to neuroscience. You name it and she’s written about it.…
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Mazon Monday #7: Ancient ‘Tully monster’ was a vertebrate, not a spineless blob, study claims
This is Mazon Monday post #7. This is about one of the favorite Mazon animals, the Tully monster. Phys.org has an article about some new research about the Tully Monster. The Tully Monster was first discovered by Francis Tully in 1955. He was fossil hunting in Pit 11 of the old Peabody Coal Company’s strip…
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Fossil Friday #5: Esconites zelus
This is the “Fossil Friday” post #5. 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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Trilobite Tuesday #6: The Largest Trilobites #trilobite #fossils #TrilobiteTuesday
If you’re interested in the largest trilobites, have a look over at this page on “A Guide to the Orders of Trilobites” or this page at the American Museum of Natural History. The following quote is from the AMNH page. The size variance shown among trilobite species is nothing less than astonishing. Generally when one considers these…
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Mazon Monday #6: Esconites zelus
This is Mazon Monday post #6. A fellow member sent me some pictures of some recently opened Esconites zelus. Got interested in where and when it was first described, here are some highlights. Esconites zelus, Species Spotlight Esconites Temporal range: Carboniferous Scientific classification Kingdom: Animalia Phylum: Annelida Class: Polychaeta Order: Eunicida Family: Eunicidae Genus: †Esconites…
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Fossil Friday #4: Green River Fish
This is the “Fossil Friday” post #4. 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 we visit the Green River…
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Trilobite Tuesday #5: Are These Trilobite Eggs?
Scientific American’s “The Artful Amoeba” had a piece about trilobite eggs a few years ago. It seems that Markus Martin, an amateur paleontologist, discovered gold, or more specifically trilobite gold. Atlas Obscura has the more personal details of this fossil find. It what was once known as Beecher’s Bed, Martin found and then prepared some…
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Mazon Monday #5: The Mazon Creek Project
This is Mazon Monday post #5. Some of the information in this post was provided by John Liskey, former ESCONI member, who has generously donated fossil, mineral, and assorted junior material. Thanks, John! ———————————————————– The Mazon Creek Project was a program sponsored by Northeastern Illinois University. Founded in the 1960s, by the late Eugene Richardson…
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Fossil Friday #3: More Whitby Ammonites
This is the “Fossil Friday” post #3. 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 are going to…
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Trilobite Tuesday #4: TheFossilForum: Open Access Trilobite Papers 1993–2020
TheFossilForum has a very long running thread entitled “Open Access Trilobite Papers 1993–2020”. That particular link has posts from user piranha from 2013 to the present. Here are a few of the most recent. This is an awesome resource! Check it out if you need access to a trilobite paper! February 26th, 2020 Geyer, G.,…
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Mazon Monday #4: Belotelson Shrimp
This is Mazon Monday post #4. These pictures are of a specimen of Belotelson magister collected by ESCONI member Rich Holm in late summer 2019 in Mazonia South Pit 11. It is a crustacean that lived about 307 mya. It was first described by Packard in 1886 from Mazon Creek material. Description: The Mazon Creek…
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Fossil Friday #2: Whitby Ammonites
This is the “Fossil Friday” post #2. 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! The following pictures are from Whitby, which…
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Trilobite Tuesday #3: Everything and Anything You’ve Ever Wanted to Know About Trilobites!
The website “A Guide to the Orders of Trilobites” has an amazing amount of information about trilobites. It’s been online since at least 2000. The website is run by Sam Gon III, a conservation biologist at TNC Hawai’i. He also does the Anomalocaris Homepage. You can order a copy of the website in book form. …
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Mazon Monday #3: Mazon Creek Fossils
This is Mazon Monday post #3. The following article by Mary Fairchild first appeared here. It’s a great historical summary of collecting Mazon Creek Fossils. Additionally, the slideshows of fossils hold some amazing specimens. There’s mention of everyone from George Langford Sr. to Eugene Richardson to Jack Wittry and many other notable researchers in between. …
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Fossil Friday #1: Silurian Nautiloids from the Chicago Area
This is the “Fossil Friday” post #1. 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! These are Silurian nautiloids from the Chicago…
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Trilobite Tuesday #2: AMNH Trilobite Top Tens
The American Museum of Natural History has an interesting page titled “Trilobite Top Tens”. They have everything from Charles Walcott (NY Wolcott-Rust quarry and Burgess Shale), to Elrathia kingii (one of the most common trilobites), to Sir Roderick Murchison (rock star geologist from the 1800s). The categories are: The AMNH has a great website on trilobites. There is so much information……
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Mazon Monday #2: The Vanishing Mother Lode of Mazon Creek
The Friday, July 2nd, 2004 edition of The Reader featured an article titled “The Vanishing Mother Lode of Mazon Creek”. The full text of the article is available online. Unfortunately, it doesn’t include the pictures. This article was written by Mike Sula, no relation to long time ESCONI member Rob Sula. The article does a…
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Trilobite Tuesday #1: The Trilobite: An Early Inhabitant of Illinois
The Illinois State Geologic Survey (ISGS) has a page on the trilobites of Illinois. It has good information about time periods and has a few pictures of the species that can be found here in Illinois. There’s even a paragraph on it’s body structure. Trilobites are so named because the segments on their upper (dorsal)…
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Mazon Monday #1: The Tully Monster
The Tully Monster, or Tullimonstrum gregarium, has long been one of the most popular Mazon Creek fossil specimens. The reasons are unclear… maybe it’s the strange shape of the animal, or that it’s the State Fossil of Illinois, or the questions and controversy as to what type of animal it is. It is fairly rare,…
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ESCONI Flashback Friday #40: Lemont Quarry 1952
As part of the celebration of ESCONI’s 70th Anniversary, here is Flashback Friday post #40. If you have pictures or stories to contribute, please send them over to esconi.info@gmail.com. Thanks! Here are pictures to a quarry in Lemont, IL in 1952. The Lemont quarries were known for the diversity of the trilobites that could be…
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ESCONI Flashback Friday #36: SUE at the Field Museum
As part of the celebration of ESCONI’s 70th Anniversary, here is Flashback Friday post #36. If you have pictures or stories to contribute, please send them over to esconi.info@gmail.com. Thanks! SUE had her Grand Opening at the Field Museum on May 17th, 2000. Here is a link to the ESCONI page to document the event. …
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ESCONI Flashback Friday #35: Dresden Lakes Field Trip June 1976
As part of the celebration of ESCONI’s 70th Anniversary, here is Flashback Friday post #35. If you have pictures or stories to contribute, please send them over to esconi.info@gmail.com. Thanks! Here are pictures from a field trip to Dresden Lakes in 1976. Dresden Lakes is known for larger concretions with detailed fossils in dark colors,…