This is Mazon Monday post #72.  What’s your favorite Mazon Creek fossil?  Tell us at email:esconi.info@gmail.com.

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We’ve been doing Mazon Monday posts for almost 1.5 years now.  And. it seems like an index of posts would be helpful.  Hard to believe all the topics we have covered!  Let is know your favorite and any suggestions for new posts at email:esconi.info@gmail.com

• #1 – The Tully Monster – March 30th, 2020
• #2 – The Vanishing Mother Lode – April 6th, 2020
• #3 – Mazon Creek Fossils (by Mary Fairchild) – April 13th, 2020
• #4 – Belotelson magister specimen – April 20th, 2020
• #5 – The Mazon Creek Project – April 27th, 2020
• #6 – Esconites zelus – May 4th, 2020
• #7 – “Ancient ‘Tully monster’ was a vertebrate, not a spineless blob” – May 11th, 2020
• #8 – Testajapyx thomasi – May 18th, 2020
• #9 – Acanthodes beecheri – May 25th, 2020
• #10 – Pennsylvanian Siderite Concretionary Fossil Sites – June 1st, 2020
• #11 – Mazon Creek Collections Database – June 8th, 2020
• #12 – Tully: Monster vs Method (Field Museum) – June 15th, 2020
• #13 – Belotelson magister – June 22nd, 2020
• #14 – Essexella asherae – June 29th, 2020
• #15 – Mazon Creek at the Field Museum – July 6th, 2020
• #16 – Adelophthalmus mazonensis – July 13th, 2020
• #17 – One Fish, Two Fish, Three Fish, Many Fish… – July 20th, 2020
• #18 – Langford Book Inscriptions – July 27th, 2020
• #19 – Bandinga rayi – August 3rd, 2020
• #20 – Fossil Preservation (YouTube – Dr Thomas Clements) – August 10th, 2020
• #21 – Euproops – August 17th, 2020
• #22 – Pit 11 – August 24th, 2020
• #23 – Interesting Pennsylvanian Fossil Sites Crock Hey, Lancastire, UK – August 31st, 2020
• #24 – Euphoberia – September 7th, 2020
• #25 – Mazonomya mazonensis – September 14th, 2020
• #26 – Braceville Fall 2020 Field Trip Report – September 21st, 2020
• #27 – Care and Feeding of Your Mazon Creek Concretions – September 28th, 2020
• #28 – Cylcus americanus – October 5th, 2020
• #29 – Sea Cucumbers – October 12th, 2020
• #30 – The Diamond Mine Disaster – October 19th, 2020
• #31 – Fanworms – October 26th, 2020
• #32 – Keys to Identify Pennsylvanian Fossil Plants and Animals – November 2nd, 2020
• #33 – Creature Corner Newsletter and Book – November 9th, 2020
• #34 – Pit 14 – November 16th, 2020
• #35 – Scallops – November 23rd, 2020
• #36 – Fossils of Terre Haute – November 30th, 2020
• #37 – Alethopteris sullivantii – December 7th, 2020
• #38 – Carboniferous Plants in Siderite Nodules – December 14th, 2020
• #39 – Macroneuropteris scheuchzeri – December 21st, 2020
• #40 – “Mazon Creek-type fossil assemblages in the US midcontinent” – December 28th, 2020
• #41 – “Revisiting the exception tetrapod fauna of Mazon Creek” – January 4th, 2021
• #42 – “Mazon Creek Fossils” – January 11th, 2021
• #43 – Insects #1 – January 18th, 2021
• #44 – Insects #2: Monurans – January 25th, 2021
• #45 – Insects #3: Gerarids – February 1st, 2021
• #46 – Insects #4: Roachoids – February 8th, 2021
• #47 – Latzelia primordialis – February 15th, 2021
• #48 – Kalliidecthes richardsoni – February 22nd, 2021
• #49 – Mazon Creek Fossils Honoring Collectors – March 1st, 2021
• #50 – “The Dancing Worm of Turkana” – March 8th, 2021
• #51 – “Leaves and Stems From Fossil Plants” – March 15th, 2021
• #52 – Acanthotelson stimpsoni – March 22nd, 2021
• #53 – Diplazites unita – March 29th, 2021
• #54 – Octomedusa piekorum – April 5th, 2021
• #55 – Neuropteris inflata – April 12th 2021
• #56 – Didontogaster cordylina – April 19th, 2021
• #57 – Alethopteris serlii – April 26th, 2021
• #58 – Arthropleura – May 3rd, 2021
• #59 – Cyclopteris orbicularis – May 10th, 2021
• #60 – Annularia inflata – May 17th, 2021
• #61 – “A Historical Perspective on Collecting Mazon Creek” – May 24th, 2021
• #62 – Common Descent Podcast #110: Mazon Creek Fossil Beds – May 31st, 2021
• #63 – Braceville May 2021 Field Trip Report – June 7th, 2021
• #64 – Essoidea epiceron – June 14th, 2021
• #65 – Paleocaris typus – June 21st, 2021
• #66 – “Collecting Mazon Creek Fossils” – June 28th, 2021
• #67 – Trigonocarpus sp. – July 5th, 2021
• #68 – Dryptoscolex matthiesae – July 12th, 2021
• #69 – Cyperites bicarinatus – July 19th, 2021
• #70 – Arjan Mann, Joemungandr bolti – July 26th, 2021
• #71 – “Fossil Brains From a Horseshoe Crab, Euproops” – August 2nd, 2021
• #72 – This index of posts
• #73 – Architarbus rotundatus – August 16th, 2021
• #74 – George Langford Book 3 – August 23rd, 2021
• #75 – Arthrolycosa danielsi – August 30th, 2021
• #76 – Spring 2021 Braceville Field Trip Report by AJ Templer – September 6th, 2021
• #77 – Care and Feeding of Your Mazon Creek Concretions – September 13th, 2020
• #78 – Amynilyspes wortheni – September 20th, 2021
• #79 – Braceville Field Trip Report – September 27th, 2021
• #80 – “Coal Age Fossils From Mazon Creek” – October 4th, 2021
• #81 – Laveiniopteris rarinervis – October 11th, 2021
• #82 – Peachocaris strongi – October 18th, 2021
• #83 – George Langford Collection at the Illinois State Museum – October 25th, 2021
• #84 – Chowder Flats – November 1st, 2021
• #85 – Neuropteris ovata – November 8th, 2021
• #86 – Herrin Coal Fossil Guide – November 15th, 2021
• #87 – “The Linton Ohio Coal Mine; a unique look into Carboniferous Tetrapods” – November 22nd, 2021
• #88 – Hesserellla shermani – November 29th, 2021
• #89 – Jeletzkya douglassae – December 6th, 2021
• #90 – “The Life and Death of the Herrin Peat Swamp – Whys, Whens, and Hows” – December 13th, 2021
• #91 – Macroneuropteris macrophylla – December 20th, 2021
• #92 – Illilepas damrowi – December 27th, 2021
• #93 – Video of Dr. Victoria McCoy on Mazon Creek Fossils – January 3rd, 2022
• #94 – Calamites cistii – January 10th, 2022
• #95 – Neuropteris vermicularis – January 17th, 2022
• #96 – “Pennsylvanian Plant Fossils of Illinois” – January 24th, 2022
• #97 – “Historical Perspective on Early Twentieth Century Carboniferous Paleobotany in North America” – January 31st, 2022
• #98 – Natural History of Coal Age Fossils – February 7th, 2022
• #99 – Calamostachys – February 14th, 2022
• #100 – Odontopteris subcuneata – February 21st, 2022
• #101 – Peggy Macnamara – February 28th, 2022
• #102 – Eoscorpius carbonarius – March 7th, 2022
• #103 – Asterophyllites equisetiformis – March 14th, 2022
• #104 – Mid-century Mazon Creek – March 21st, 2022
• #105 – Kellibrooksia macrogaster – March 28th, 2022
• #106 – Video “Revisting the exceptional tetrapod fauna of Mazon Creek, Illinois” – April 4th, 2022
• #107 – Book inscription in Nitecki’s “Mazon Creek Fossils” – April 11th, 2022
• #108 – Mariopteris decipiens – April 18th, 2022
• #109 – Pecopteris notata – April 25th, 2022
• #110 – Danville Shale Pile – May 2nd, 2022
• #111 – Leaves and Stems George Langford Inscription – May 9th, 2022
• #112 – Concretion Shape – May 16th, 2022
• #113 – Braceville Field Trip Report Spring 2022 – May 23rd, 2022
• #114 – Codonotheca caduca – May 30th, 2022
• #115 – Crenulopteris acadica – June 6th, 2022
• #116 – Coprinoscolex elliogimos – June 13th, 2022
• #117 – Crenulopteris mazoniana – June 20th, 2022
• #118 – Mazonova helmichnus – June 27th, 2022
• #119 – Carboniferous Insects – July 4th, 2022
• #120 – Lobatelson mclaughlinae – July 11th, 2022
• #121 – Rhaphidiophorus hystrix – July 18th, 2022
• #122 – Mazon Creek Open House 2022 – July 25th, 2022
• #123 – Annularia sphenophylloides – August 1st, 2022
• #124 – Lepidostrobophyllum majus – August 8th, 2022
• #125 – Lycopodites meekii – August 15th, 2022
• #126 – Relative Abundance of Different Mazon Creek Organisms – August 22nd, 2022
• #127 – The Inarticulate Brachiopods of Pit 14 – August 29th, 2022
• #128 – Biomarkers Found in Mazon Creek Coprolites – September 5th, 2022
• #129 – Pecopteris fontainei – September 12th, 2022
• #130 – Braceville Spoil Pile History – September 19th, 2022
• #131 – Braceville Field Trip Report Fall 2022 – September 26th, 2022
• #132 – Homaloneura dabasinskasi – October 3rd, 2022
• #133 – Mazon Creek Open House History – October 10th, 2022
• #134 – 2022 Mazon Creek Open House Report – October 17th, 2022
• #135 – McLuckie Collection Donated to the Smithsonian in 1990 – October 24th, 2022
• #136 – Is the Tully Monster Really Extinct? – October 31st, 2022
• #137 – Geological Society of Marietta College Pit 11 Field Trip in 1978 – November 7th, 2022
• #138 – The Konecnys on Mazon Creek Fossil Preparation – November 14th, 2022
• #139 – Lepidocyctus sp. – November 21st, 2022
• #140 – Gipichthys greenei – November 28th, 2022
• #141 – Kottixerxes gloriosus – December 5th, 2022
• #142 – Pecopteris squamosa – December 12th, 2022
• #143 – Mamayocaris jaskoskii – December 19th, 2022
• #144 – Pecopteris serpillifolia – December 26th, 2022
• #145 – Anthracaris gracilis – January 2nd, 2023
• #146 – Astreptoscolex anasillosus – January 9th, 2023
• #147 – You Say MAY-zahn, I Say Muh-ZAHN, January 16th, 2023
• #148 – PBS Eons – Tully Monster, January 23rd, 2023
• #149 – Book “Pennsylvanian Flora of Northern Illinois, January 30th, 2023
• #150 – Fossundecima konecniorum, February 6th, 2023
• #151 – PBS Eons – Histories Most Powerful Plants – February 13th, 2023
• #152 – Crenulopteris subcrenulata – February 20th, 2023
• #153 – Crookallia czernysheva – February 27th, 2023
• #154 – Collecting Mazon Creek Fossils At Pit 11: Amateur Perspective – March 6th, 2023
• #155 – Paleontologists flip the script on anemone fossils – March 13th, 2023
• #156 – Charles Shabica and the Tully Monster – March 20th, 2023
• #157 – Platysomus circularis – March 27th, 2023
• #158 – Jellyfish in them thar hills – April 3rd, 2023
• #159 – A new Carboniferous edaphosaurid and the origin of herbivory in mammal forerunners – April 10th, 2023
• #160 – Braidwood’s Buried Treasures – April 17th, 2023
• #161 – Is the Tully Monster a vertebrate? – April 24th, 2023
• #162 – Field Trip Report for Danville Spoil Pile – May 1st, 2023
• #163 – Neuropteris flexuosa – May 8th, 2023
• #164 – The Mazon Creek Fossil Fauna – Book Review – May 15th, 2023
• #165 – Braceville Spring 2023 Report – May 22nd, 2023
• #166 – Langford Book 2nd Edition – June 1963, May 29th, 2023
• #167 – Phlegethontia longissima – June 5th, 2023
• #168 – Miamia bronsoni – June 12th, 2023
• #169 – Mazoscolopendra richardsoni – June 19th, 2023
• #170 – Rhacophyllum clarkii – June 26th, 2023
• #171 – Tullies at CGMA – July 3rd, 2023
• #172 – Fossil Insect Symposium 1990 – July 10th, 2023
• #173 – Halicyne max – July 17th, 2023
• #174 – Flea Shrimp – July 24th, 2023
• #175 – Glaphurochiton concinnus – July 31st, 2023
• #176 – Please, try for more fossil insects – August 7th, 2023
• #177 – Elonichthys hypsilepus – August 14th, 2023
• #178 – Investigating Mazon Creek fossil plants using computed tomography and microphotography – August 21st, 2023
• #179 – Mr. Tully’s Tullys – August 28th, 2023
• #180 – Grundy County Historical Society – September 4th, 2023
• #181 – Mariopteris nervosa – September 11th, 2023
• #182 – Braceville Fall 2023 Report – September 23rd, 2023
• #183 – Sphenopteris plicata – September 25th, 2023
• #184 – L.E. Daniels – October 2nd, 2023
• #185 – The Naming of the Tully Monster – October 9th, 2023
• #186 – Mazon Creek Fossil Day 2023 – October 16th, 2023
• #187 – Palaeocampa anthrax – October 23rd, 2023
• #188 – He looks for Tullys in gullies – October 30th, 2023
• #189 – Plant Fossil Miniatures of Mazon Creek – November 6th, 2023
• #190 – Amarixys sulcata – November 13th, 2023
• #191 – Ilyodes inopinata – November 20th, 2023
• #192 – Mischoptera douglassi – November 27th, 2023
• #193 – Squirmarius testai – December 4th, 2023
• #194 – Mazon Creek Census – December 11th, 2023
• #195 – Vetacapsula cooperi – December 18th, 2023
• #196 – Season’s Greetings from the Langfords – December 25th, 2023
• #197 – Palaeostachya sp. – January 1st, 2024
• #198 – Priapulites konecniorum – January 8th, 2024
• #199 – The Enigmatic Tully Monster (or the Lesser Orm of Mazon Creek) – January 15th, 2024
• #200 – Field Trip to Pit 11 on April 2nd, 1995 – January 22nd, 2024
• #201 – Annularia latifolia – January 29th, 2024
• #202 – Lepidostrobus – February 5th, 2024
• #203 – Creature Corner, Fossil Jackpot – February 12th, 2024
• #204 – Caulopteris sp. – February 19th, 2024
• #205 – Cyathocarpus hermitelioides – February 26th, 2024
• #206 – Pseudomariopteris cordato-ovata – March 4th, 2024
• #207 – Spiropteris sp. – March 11th, 2024
• #208 – A Very Special Book – March 18th, 2024
• #209 – Walter’s Spider – March 25th, 2024
• #210 – Alethopteris gibsonii – April 1st, 2024
• #211 – Mariopteris wilmingtonense – April 8th, 2024
• #212 – Aphlebia crispa – April 15th, 2024
• #213 – Postcards from Mazon Creek – April 22nd, 2024
• #214 – Rhabdoderma exiguum – April 29th, 2024
• #215 – Field Trip Report for the Danville Spoil Pile – May 6th, 2024
• #216 – Syringodendron – May 13th, 2024
• #217 – Douglassarachne acanthopoda – May 20th, 2024
• #218 – Braceville Field Trip Report for Spring 2024 – May 27th, 2024
• #219 – Acantherpestes and Myriacantherpestes – June 3rd, 2024
• #220 – George Langford – June 10th, 2024
• #221 – Mazon Creek and ESCONI at NAPC 1969 – June 17th, 2024
• #222 – Violetta Whitfield’s Insects – June 24th, 2024
• #223 – NAPC at Braceville – July 1st, 2024
• #224 – Holmacanthus keithi – July 8th, 2024
• #225 – Lepidostrobus foliaceus – July 15th, 2024
• #226 – Jerry Herdina – July 22nd, 2024
• #227 – Ode to a Blob – July 29th, 2024
• #228 – Eubleptus danielsi – August 5th, 2024
• #229 – September 1976 Pit 11 Field Trip – August 12th, 2024
• #230 – Konecnys in Earch Science Magazine 1969 – August 19th, 2024
• #231 – Pecopteris strongii – August 26th, 2024
• #232 – Braidwood Field Trip in September 1959 – September 2nd, 2024
• #233 – How the Tully Monster became Illinois’ official state fossil – September 9th, 2024
• #234 – Braceville Field Trip Report for Fall 2024 – September 16th, 2024
• #235 – Dresden Lakes Field Trip in June 1976 – September 23rd, 2024
• #236 – Cyathocarpus arborea – September 30th, 2024
• #237 – Field Trip Report Danville Spoil Pile for Fall 2024 – October 7th, 2024
• #238 – Alethopteris lesquereuxii – October 14th, 2024
• #239 – Mazon Creek Fossil Day 2024 – October 21st, 2024
• #240 – Sphenopteris spinosa – October 28th, 2024
• #241 – Eucryptocaris asherorum – November 4th, 2024
• #242 – Linopteris neuropteroides – November 14th, 2024
• #243 – Radstockia kidstonii – November 18th, 2024
• #244 – First Arthropleura Identified from Mazon Creek – November 25th, 2024
• #245 – Annularia annulariaefolius – December 2nd, 2024
• #246 – Stephanospermum konopeonus – December 9th, 2024
• #247 – Oligocarpia gutbierii – December 16th, 2024
• #248 – Paleolimulus mazonensis – December 23rd, 2024
• #249 – Pecopteris oreopteridia – December 30th, 2024
• #250 – Neuropteris jacksonii – January 6th, 2025
• #251 – Tardisia broedeae – January 13th, 2025
• #252 – Reticulopteris muensterii – January 20th, 2025
• #253 – Pipiscius zangerli – January 27th, 2025
• #254 – Pit 11 Concretions – February 3rd, 2025
• #255 – A Forest of the Coal Age – February 10th, 2025
• #256 – Sphenophyllum emarginatum – February 17th, 2025
• #257 – Mazon Creek Fossils Names For ESCONI – February 24th, 2025
• #258 – Myriotheca scaberrima – March 3rd, 2025
• #259 – Pecopteris bucklandii – March 10th, 2025
• #260 – WBEZ, Field Museum, and Mazon Creek – March 17th, 2025
• #261 – Bear Gulch Cyclids – March 24th, 2025
• #262 – Kankakeea grundyi – March 31st, 2025
• #263 – Dinner With Dr. Frederick Schram – April 7th, 2025
• #264 – Crossotheca boulayi – April 14th, 2025
• #265 – John and Lucy McLuckie – April 21st, 2025
• #266 – Rhacophyllum cornutum – April 28th, 2025
• #267 – Danville Spoil Pile April 2025 – May 5th, 2025
• #268 – Pecopteris lanceolata – May 12th, 2025
• #269 – Belotelson magister – May 19th, 2025
• #270 – Braceville Field Trip Spring 2025 – May 26th, 2025
• #271 – Mazon Creek in the Chicago Tribune – May 27th, 2025
• #272 – Annularia radiata – June 2nd, 2025
• #273 – Neuropteris fimbriata – June 9th, 2025
• #274 – George Langford Sr – June 16th, 2025
• #275 – Rhacophyllum molle – June 23rd, 2025
• #276 – Cal So’s Carboniferous amphibamiforms presentation – June 30th, 2025
• #277 – “Sphenophyllales from the Mazon Creek flora” – July 7th, 2025
• #278 – Anthracomedusa turnbulli – July 14th, 2025
• #279 – “Prehistoric paradise hiding just outside Chicago” – July 21st, 2025
• #280 – Palaeocampa anthrax redux – July 28th, 2025
• #281 – 283,821 concretions, how to you measure the Mazon Creek? – August 4th, 2025
• #282 – Put 11 Shutdown in 1974 – August 11th, 2025
• #283 – Mazon Creek bromalites evidence a specialized, xiphosurid-rich diet for Pennsylvanian predators – August 18th, 2025
• #284 – Mayomyzon piechoensis – August 25th 2025