Tag: Carboniferous
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Fossil Friday #151: Lepidostrobophyllum Pair from Indiana
This is the “Fossil Friday” post #151. 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 pair of large…
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Mazon Monday #154: Collecting Mazon Creek Fossils At Pit 11: Amateur Perspective
This is Mazon Monday post #154. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. In honor of Pit 11 Opening Day on March 1st, here is a historical article from the Lizzadro Museum’s newsletter in 2006. There’s an advertisement of the Mazon Creek Open House held on November 11th, 2006. The article is…
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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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Mazon Monday #153: Crookallia czernyshevi
This is Mazon Monday post #153. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Crookallia czernyshevi is a rare shark egg case. Until recently, it was known only from a site in Russia and another in Europe. Recently, Jack Wittry, author of a few Mazon Creek plant and animal books, tentatively identified a…
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Fossil Friday #149: Rhaphidiophorus hystrix
This is the “Fossil Friday” post #149. 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 a gorgeous Mazon Creek worm…
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Mazon Monday #152: Crenulopteris subcrenulata
This is Mazon Monday post #152. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Crenulopteris subcrenulata is somewhat common in Mazon Creek fossil deposit. It has been misunderstood and misidentified for many years, with a long list of classifications where is included with other distinct species due to the variation in its growth…
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Mazon Monday #151: PBS Eons, History’s Most Powerful Plants
This is Mazon Monday post #151. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. PBS Eons has another interesting Mazon Creek related video. This one was also on Facebook, but everyone can enjoy it with the link below.
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Fossil Friday #147: Annularia from Danville
This is the “Fossil Friday” post #147. 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! Had a large Annularia from Danville open…
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Mazon Monday #150: Fossundecima konecniorum
This is Mazon Monday post #150. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Fossundecima konecniorum was a medium sized polychaete worm that made up part of the fauna of Mazon Creek. It had two triangular jaws in its proboscis, which is probably evidence of a predatory lifestyle. It had short setae that…
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Fossil Friday #146: Kottixerxes gloriosus
This is the “Fossil Friday” post #146. 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! As stated back in Mazon Monday #141,…
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Mazon Monday #149: Pennsylvanian Flora of Northern Illinois
This is Mazon Monday post #149. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Dr. Adolf Carl Noé (1873-1939) was a pioneer in North American coal-ball studies. Noé worked at the University of Chicago. And, was contacted by George Langford when he began seriously collecting Mazon Creek in the 1930’s. At the time,…
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Mazon Monday #148: Tully Monster on PBS Eons
This is Mazon Monday post #148. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. PBS Eons has a nice short video on Facebook about the Tully Monster, which is the State Fossil of Illinois. Note: you do not need to have a Facebook account to watch the embedded video.
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Mazon Monday #147: You Say MAY-zahn, I Say Muh-ZAHN
This is Mazon Monday post #147. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Back in the summer of 2022, we received an email from Danita Brandt, Associate Professor in the Department of Earth and Environmental Sciences at Michigan State University. She was interested in doing some research into the pronunciation of “Mazon”…
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Fossil Friday #143: Astreptoscolex anasillosus
This is the “Fossil Friday” post #143. 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 members B. J. and…
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Mazon Monday #146: Astreptoscolex anasillosus
This is Mazon Monday post #146. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Astreptoscolex anasillosus was an annelid (Greek, annulatus “annulated” or “ringed) worm. It was described by Ida Thompson in 1979 in her paper “Errant polychaetes (Annelida) from the Pennsylvanian Essex fauna of northern Illinois” in Palaeontographica Abteilung A. Thompson described…
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Fossil Friday #142: Anthracaris gracilis
This is the “Fossil Friday” post #142. 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! Anthracaris gracilis is an extinct species of…
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Mazon Monday #145: Anthracaris gracilis
This is Mazon Monday post #145. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Anthracaris gracilis was described by 1865 by F.B. Meek and A. H. Worthen as Anthrapalaemon gracilis. It is very similar to Mamayocaris jaskoskii. While M. jaskoskii is known from Pit 11, A. gracilis is known from the more terrestrial…
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Fossil Friday #141: Orthotarbus robustus from Mazon Creek
This is the “Fossil Friday” post #141. 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 spiders are always a favorite here…
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Mazon Monday #144: Pecopteris serpillifolia
This is Mazon Monday post #144. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Pecopteris serpillifolia was described by Leo Lesquereux in 1879-1880. He was born in Fleurier, Switzerland on November 18th, 1889. Lesquereux described many of the Carboniferous plants of North America, doing surveys for the states of Pennsylvania, Kentucky, Arkansas, Indiana, and…
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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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Mazon Monday #143: Mamayocaris jaskoskii
This is Mazon Monday post #143. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Mamayocaris jaskoskii, sometimes referred to as the “Lobster”, was described in 1974 by Frederick Schram in the paper “The Mazon Creek Caridoid Crustacea”, which appeared in Fieldiana, Volume 30, No. 2. It was named in honor of Professor B.…
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Fossil Friday #139: Lobatopteris tenuinervis from Danville
This is the “Fossil Friday” post #139. 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! ESCONI member Phil Anderson sent us a…
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Mazon Monday #142: Pecopteris squamosa
This is Mazon Monday post #142. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Pecopteris squamosa was originally named by Leo Lesquereux in 1870. It’s a true fern belonging to the class Filicopsida. Leo Lesquereux described much of the North American Carboniferous flora in the mid 1800’s as a consultant to various US…
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Fossil Friday #138: Mamayocaris jaskoskii
This is “Fossil Friday” post #138. 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 nice…
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Mazon Monday #141: Kottixerxes gloriosus
This is Mazon Monday post #141. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Kottixerxes gloriosus is a very rare animal in the Essex biota of Mazon Creek. Out of 229,979 from Pit 11, only two were found! That leaves it tied with centipedes are the rarest animals. Even amphibians were more common,…
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Fossil Friday #137: Horseshoe Crab from Indiana
This is “Fossil Friday” post #137. 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 Euproops sp. horseshoe…
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Mazon Monday #140: Gilpichthys greenei
This is Mazon Monday post #140. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Gilpichthys greenei was a jawless fish. They are fairly rare and associated with the Essex fauna of Pit 11. G. greenei was described in 1977 by David Bardack and Eugene Richardson in the paper “New agnathous fishes from the…
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Mazon Monday #139: Lepidocystis sp.
This is Mazon Monday post #139. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! For this week’s Mazon Monday, we have Lepidocystis sp., which is a type of spore packet associated with the cone genus Polysporia. Early Mazon Creek collectors referred to this as “cockroach egg sacs”. This is known to be false…
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Fossil Friday #135: It’s Got Belotelson Eyes…
This is “Fossil Friday” post #135. 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! Who’s old enough to remember the Kim Carnes…
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Mazon Monday #138: The Konecnys on Mazon Creek Fossil Preparation
This is Mazon Monday post #138. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Thanks! Jim and Sylvia Konecny were very active in ESCONI for many years. They held various board positions over the years with Jim serving as president in 1966. They were prolific fossil collectors, who donated a significant collection to the…
