Category: Mazon Creek
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Fossil Friday #44: Braceville Scallop
This is the “Fossil Friday” post #44. 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! Scallops. Who hasn’t enjoyed a nice tasty…
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Mazon Monday #47: Centipedes
This is Mazon Monday post #47. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. For this week, we have a very rare Mazon Creek animal. The estimate of occurrence for centipedes was about 3 in 287,000 concretions in the paper “Relative Abundance of Different Mazon Creek Organisms” by Gordon C. Baird and John…
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Fossil Friday #43: Lung Fish Scales From Mazon Creek
This is the “Fossil Friday” post #43. 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 is a large amount of diversity…
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Mazon Monday #46: Insects Part 4 – Roachoids
This is Mazon Monday post #46. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. This week, as part of our series on Mazon Creek insects, we are looking at roaches, or to be more correct roachoids, as true roaches don’t show up in the fossil record until the late Jurassic. Roachoids are the…
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Fossil Friday #42: Acanthotelson stimpsoni
This is the “Fossil Friday” post #42. 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 fossil is a tasty shrimp from…
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Mazon Monday #45: Insects Part 3 – Gerarids
This is Mazon Monday post #45. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The gerarids are large winged insects from the Carboniferous Period. Fossils of gerarids have been found in deposits from Mazon Creek and Commentry, France. The animals are known for a distinctive stalked head. Some have spikes on their thorax. …
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Mazon Monday #44: Insects Part 2 – Monurans
This is Mazon Monday post #44. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Monurans are an extinct order of wingless insects. They are known from the Mazon Creek biota, other Carboniferous localities, and have been found in later deposits that date to the Permian. They get their name for the single tail…
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Fossil Friday #40: Heterologus langfordorum
This is the “Fossil Friday” post #40. 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! Remember Heterologus langfordorum, a winged insect from…
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Lizzadro Museum Virtual Lecture March 20th at 2:00 PM, 2021: Sharks at Mazon Creek by Jack Wittry
Jack Wittry, Collections Associate at the Field Museum and author of the Mazon Creek Fossil Flora and Fauna books, presents the Mazon Creek fossil shark nurseries and discusses the controversy surrounding this topic. His new book on Mazon Creek plants will be available for signing after the lecture. March 20th, 2021 at 2:00 PM 60 minutes…
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Mazon Monday #43: Insects Part 1
This is Mazon Monday post #43. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The insects of Mazon Creek are a hugely, complex subject. We’ll take the next few posts of Mazon Monday to cover this topic. There will be information from multiple sources along with some breathtaking pictures and drawings. Insects are…
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Fossil Friday #39: Annularia inflata
This is the “Fossil Friday” post #39. 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 an absolutely…
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Mazon Monday #42: “Mazon Creek Fossils” by Matthew H. Nitecki
This is Mazon Monday post #42. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Another Mazon Creek book that belongs in the collection of any serious collector is “Mazon Creek Fossils” edited by Matthew Nitecki. It was first published in 1979, and is a collection of most of the papers presented at the…
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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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Fossil Friday #37: Rhabdoderma exiguum
This is the “Fossil Friday” post #37. 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 have an amazing fossil…
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Mazon Monday #40: Mazon Creek-type fossil assemblages in the U.S. midcontinent Pennsylvanian
This is Mazon Monday post #40. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back in Mazon Monday #10, we posted about other siderite concretionary fossil localities from the Pennsylvanian Period. That list was worldwide. Here is an interesting paper from 1985 that discusses some of those Mazon Creek-type fossil localities in the central…
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Throwback Thursday #38: Merry Mazon Christmas from ESCONI
This is Throwback Thursday #38. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! This is Synde and George Langford’s Christmas card in 1939. The picture is a view of the strip…
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Mazon Monday #39: Macroneuropteris scheuchzeri
This is Mazon Monday post #39. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Macroneuropteris scheuchzeri is the subject of our Mazon Monday post this week. M. scheuchzeri is a seed fern (Pteridospermatophyta), which is a group of plants that went extinct during the late Cretaceous Period. They first show up in the…
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Fossil Friday #36: Diplazites unita
This is the “Fossil Friday” post #36. 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 more Mazon Creek plants. …
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Mazon Monday #38: Carboniferous Plants in Siderite Nodules
This is Mazon Monday post #38. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Recently, I ran across this interesting paper from the journal Acta Palaeobotanica back in 2012. It’s called “Carboniferous plants preserved within sideritic nodules – a remarkable state of preservation providing a wealth of information” by Grzegorz Pacyna and Danuta…
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Fossil Friday #35: Alethopteris sullivantii
This is the “Fossil Friday” post #35. 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’ve been on a Alethopteris theme lately…
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Mazon Monday #37: Alethopteris sullivantii
This is Mazon Monday post #37. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Today, we look at one of my favorite Mazon Creek plants… Alethopteris sullivantii. A. sullivantii is a seed fern (Pteridospermatophyta), which is a group of plants that went extinct during the late Cretaceous Period. They first show up in…
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Fossil Friday #34: Alethopteris serlii from the Field Museum Members Nights
This is the “Fossil Friday” post #34. 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 a few Alethopteris serlii…
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Mazon Monday #36: Fossils of Terre Haute Indiana
This is Mazon Monday post #36. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Recently, there has been a few questions about the Mazon Creek-like fossils from around Terre Haute, Indiana. Although there is a pretty rich history of these fossils, there’s not much reference information about the locality. There were actually two…
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Mazon Monday #35: Scallops
This is Mazon Monday post #35. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. For this post, we are highlighting some of the pectens found in the Mazon Creek fossil deposit. Aviculopecten mazonensis is one of the most commonly known, but there are three others of note Dunbarella striata, Euchondria pellucida, and Palaeolima…
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Mazon Monday #34: Pit 14
This is Mazon Monday post #34. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The Mazon Creek fossil deposits consists of numerous different localities. These localities are the Mazon River, which has been collected since at least the 1850’s (and probably earlier) to the shaft mines, which date to the late 1800’s and…
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Fossil Friday #31: Ferns from St. Clair, PA
This is the “Fossil Friday” post #31. 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! Fossil Friday #31 highlights Pennsylvanian Period ferns…
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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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Mazon Monday #33: Creature Corner Newsletter Column and Book
This is Mazon Monday post #33. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Last week, we spoke about a couple books published by ESCONI in the 1980’s – “Keys To Identify Pennsylvanian Fossil Plants of the Mazon Creek Area” in 1986 (updated in 1990) and “Keys To Identify Pennsylvanian Fossil Animals of…
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Mazon Monday #32: ESCONI books – Keys to Identify Pennsylvanian Fossil Plants and Animals
This is Mazon Monday post #32. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. ESCONI has made numerous contributions to the science of Mazon Creek fossils over the years. Everyone knows about the George Langford books published in the late 1950s and early 1960s. Jack Wittry wrote new books that included much of…
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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…
