Tag: MazonCreek
-

Fossil Friday #110: Sea Cucumber from Mazon Creek
This is the “Fossil Friday” post #110. 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 Fossil Friday, we have a…
-

Mazon Monday #113: Spring 2022 Braceville Field Trip Report
This is Mazon Monday post #113. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. —————————————————– Braceville Field Trip (Mazon Creek) May 14th and 15th by Keith Robitschek This spring’s field trip to the Braceville spoil pile started on Saturday with a warm cloudy day with a chance of rain. We had about five…
-

Fossil Friday #109: Tully Monster!
This is the “Fossil Friday” post #109. 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 Tully Monster that…
-

Mazon Monday #112: Concretion Shape from 1952
This is Mazon Monday post #112. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Lately, we’ve been getting a bunch of questions about concretion shape, probably due to the Braceville field trip this past weekend. It’s an age old question that repeats again and again. Back in March 1952, Stevens T. Norvell, a…
-

Fossil Friday #108: Mazopherusa prinosi from Braceville
This is the “Fossil Friday” post #108. 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! To help lead into the Braceville field…
-

Mazon Monday #111: Leaves and Stems with a George Langford Inscription
This is Mazon Monday post #111. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back in Mazon Monday #51, we looked at the book “Leaves and Stems” by Raymond E. Janssen. From the time it was published in 1939 by the Illinois State Museum until George Langford’s first book was published by Esconi…
-

Fossil Friday #107: Annularia from Vigo County, IN
This is the “Fossil Friday” post #107. 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 again Annularia. …
-

Mazon Monday #110: Trip Report: Danville Shale Pile April 23rd, 2022
This is Mazon Monday post #110. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back on April 23rd, 2022, ESCONI held our 4th field trip to a shale pile just outside of Danville, IL. The trip was a huge success, although a little hot at nearly 87 degrees. We were honored by the…
-

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……
-

Mazon Monday #109: Pecopteris notata
This is Mazon Monday post #109. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Today, we are looking at one of the rarer forms of Pecopteris, namely Pecopteris notata. This variety doesn’t show up in a few of the Mazon Creek plant books, but it can be found in the new “A Comprehensive…
-

Fossil Friday #105: Annularia annulariafolius
This is the “Fossil Friday” post #105. 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! A gorgeous Annularia annulariafolius is our Fossil…
-

Mazon Monday #108: Mariopteris decipiens
This is Mazon Monday post #108. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. In general, Mariopteris, a seed fern, is fairly rare across all the Mazon Creek terrestrial localities. Mariopteris tends to have ornate pinnules compared to other species of seed feed like Alethopteris, Neuropteris, and Odontopteris. The species we are looking…
-

TRIP FULL! – ESCONI Field Trip to Braceville, IL for Mazon Creek Fossils – Saturday, May 14th and Sunday May 15th, 2022
The trip is full! It filled up in just a couple of days! We are still accepting requests, which will place you on the waiting list. Please let us know if you can’t make it, as it makes room for those on the waiting list. Thanks! Braceville Field Trip Rules May 2022 The ESCONI field trips…
-

Fossil Friday #104: Dasyleptis brongniarti
This is the “Fossil Friday” post #104. 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 a Mazon Creek…
-

Mazon Monday #107: Book Inscription in Nitecki’s “Mazon Creek Fossils”
This is Mazon Monday post #107. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back in Mazon Monday #18, we posted some interesting book inscriptions from the Langford Mazon Creek books. The highlights were Bill Allaway’s book owned by Dave Carlson and John McLuckie’s book owned by Jack Wittry. This week, I received…
-

Fossil Friday #103: Mariopteris sphenopteroides
This is the “Fossil Friday” post #103. 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! Well, we’ve made it to another Fossil…
-

Mazon Monday #106: Video for Arjan Mann’s “Revisiting the exceptional tetrapod fauna of Mazon Creek, Illinois”
This is Mazon Monday post #106. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back in November 2020, Arjan Mann spoke at the ESCONI General Meeting about Mazon Creek tetrapods. Due to some research that had yet to be published, we couldn’t post the video of his excellent presentation, which was entitled “Revisiting…
-

Fossil Friday #102: Kellibrooksia macrogaster x 3!
This is the “Fossil Friday” post #102. 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 three specimens…
-

Throwback Thursday #104: McLuckie House from 1952 Newsletter
This is Throwback Thursday #104. 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! John and Lucy McLuckie were both avid collectors of Mazon Creek fossils. They sponsored yearly “combined club” field…
-

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…
-

Mazon Monday #105: Kellibrooksia macrogaster
This is Mazon Monday post #105. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Kellibrooksia macrogaster is a species of mantis shrimp (stomatopods). It was described by Frederick Schram in 1973. Frederick Schram described many of the shrimp of Mazon Creek. We had a nice one for sale at the ESCONI Gem, Mineral,…
-

Fossil Friday #101: Mazon Creek Aquatic Plants
This is the “Fossil Friday” post #101. 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 last section of “A Comprehensive Guide…
-

Mazon Monday #104: Mid-century Mazon Creek
This is Mazon Monday post #104. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. We recently received an interesting link from ESCONI member Kristi Overgaard of a post on the Geology World group on Facebook. The post was by James Anderson and it described an transaction with Dr. Wilbur Hoff’s son. Dr. Hoff…
-

Mazon Monday #103: Asterophyllites equisetiformis
This is Mazon Monday post #103. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Today, we look at another part of the plant Calamites. Recall that paleobotany uses form genera as a strategy to identify plant parts. If you aren’t familiar with the concept, there is a good explanation in the “Keys to…
-

Fossil Friday #99: Tully Monster!
This is the “Fossil Friday” post #99. 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! Our first Mazon Monday was about the…
-

Mazon Monday #102: Eoscorpius carbonarius
This is Mazon Monday post #102. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Scorpions are very rare in the Mazon Creek fossil biota. Eoscorpius carbonarius was described by FB. Meek and A.H. Worthen in 1868. The paper was published in the America Journal of Sciences – “Meek, Fielding B. & A. H.…
-

Mazon Monday #101: Peggy Macnamara
This is Mazon Monday post #101. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The cover of the book “A Comprehensive Guide to the Fossil Flora of Mazon Creek” by Jack Wittry features a painting of a fiddlehead, which is an immature fern frond. The fiddlehead species in the Mazon Creek biota are…
-

Fossil Friday #97: Kentucky Neuropteris
This is the “Fossil Friday” post #97. 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! Carboniferous seed fern fossils are on the…
-

Mazon Monday #100: Odontopteris subcuneata
This is Mazon Monday post #100. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. This is the 100th Mazon Monday post! We hope you are enjoying these posts! If you have any suggestions or feedback, please send it along to email:esconi.info@gmail.com. Odontopteris subcuneata was a seed fern that belonged to the same group…
-

Fossil Friday #96: Mazon Creek Insect Nymph
This is the “Fossil Friday” post #96. 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 insect this…