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Partial Semionotus sp. - part and counterpart. Nearly complete - missing caudal fin. Species indeterminate - possibly S. micropterus? Early Jurassic, Shuttle Meadow Formation. Connecticut.
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They were out there somewhere, we knew they were. We knew from the start this wouldn't be easy. Or pleasant. We had seen them before, but this was different. Everything was different. These fish had been underground for longer than anyone could remember. It was our job to bring them out and we knew from experience they'd never come out alive. Tim aka Fossildude19 was the hardened sleuth. He'd been here many times. Mike aka Pagurus was newer to the game but just as determined. The day was dry and hot, but our search area centered around a mudhole in the ground. They say if you find yourself in a hole, stop digging, but we were on a mission. We couldn't go home empty-handed. While Tim applied his shovel several yards away, on a secret mission, Mike foolishly hopped into the mudhole. The mud was as thin as a can of turkey gravy watered down to feed a dozen unexpected guests. Mike searched the hole for the elusive shale and began expanding the hole. As the mudhole widened, it filled with overhanging dirt. More shale was exposed. A good thing. The mud got muddier. Not so good. Mike got closer and closer to his quarry and with the now sticky mud up to his elbows and dripping into his work boots he pried the shale loose from its lair. The mud-caked shale was piled on drier land and Mike crawled out of his hole. Tim, an accomplished shale-splitter, was invited to help with the splitting. There's always a fellow fisherman, with the same bait and tackle as his buddies, who catches twice as many fish. While Mike split his share of the shale and found a few scales, a few plant pinules and a few coprolites, Tim the fossildude found this fish: Tim the Generous handed the fish to Mike to work on at home and to add to his collection. Thank you Tim! Here are the results, an almost complete Semionotus. Success! It's a small fish, about 3 1/4 inches long. Oh, and Tim also decided to hop into the hole, wisely covering the mud with a drop cloth first. It helped a little. Edit: I forgot some important details. Found in Connecticut, Early Jurassic, Shuttle Meadow Formation, Newark Supergroup.
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New Abelisaurid From the Jurassic Period Discovered
paleoblog23 posted a topic in General Fossil Discussion
I'm a huge fan of the 'abelisaurids' and while searching for any news on the lumbering predators I found this report on the new genus 'eoabelisaurus'. It shows a lot of features of late Cretaceous abelisaurs, despite coming from the early Jurassic, before the likes of allosaurus. Enjoy! http://blog.everythingdinosaur.co.uk/blog/_archives/2012/06/04/new-species-of-abelisaurid-described.html -
A new ichthyosaur known as Wahlisaurus has been identified from a museum specimen found in an English quarry more than 60 years ago. This is the first known Early Jurassic ichthyosaur known from England since 1986. Original paper: http://www.tandfonline.com/doi/full/10.1080/14772019.2016.1183149 Simplified: http://www.sci-news.com/paleontology/wahlisaurus-massarae-new-species-dolphin-like-reptile-03947.html
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Hi All, I have a new coprolite from the Black Ven area near Lyme Regis. It has what looks like undigested cephalopod beak inclusions. Can anyone out there confirm this for me? On the back side, it looks like a section through a belemnite cone, but I'm not seeing any hooks. There is also another inclusion that I can't quite figure out.
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A new paper regarding a new primitive Early Jurassic theropod from the Lufeng Basin of China is out: Hai-Lu You, Yoichi Azuma, Tao Wang, Ya-Ming Wang and Zhi-Ming (2014). "The first well-preserved coelophysoid theropod dinosaur from Asia". Zootaxa 3873 (3): 233–249. doi:10.11646/zootaxa.3873.3.3. Coming upon the heels of another basal theropod, Tachiraptor, Panguraptor represents the second basal theropod from the Lufeng basin (the first being Sinosaurus). Since China was so far apart from other continents yielding Early Jurassic theropods (Africa, North America, South America, India), more research is needed to determine how Early Jurassic theropods made it to China from Gondwana.
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From the album: Fossildude's Early Jurassic Plant Fossils
Early Jurassic, East Berlin Formation, Connecticut.© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
3/4 fish, Redfieldius gracilis, head should be there under the shale. Should prep out well. From the Early Jurassic, Shuttle Meadow Foramtion Connecticut.© ©
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From the album: Fossildude's Early Jurassic Fish Fossils
Redfielidius gracilis missing head and tail. Early Jurassic, Shuttle Meadow Formation. Connecticut.© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Front half of the early Neopterygian fish Semionotus tenuiceps from the early Jurassic (Hettangian)Shuttle Meadow Formation of Connecticut. This fish needs some prep, but appears to have the entire skull present. This is identified as an S. tenuiceps by the large "hump" directly behind the skull. I believe this is the only identifiable example of this fish in my collection.© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Partial back end of a Semionotus sp. Caudal, dorsal, anal, and pelvic fins are present. Early Jurassic, (Hettangian) Shuttle Meadow Formation. Connecticut. Also, note the Otozamites brevifolis pinnule, and the Diplurus longicaudatus coprolite just above the tail.© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Partial Semionotus sp. part and counterpart. Early Jurassic, Shuttle Meadow Formation. Connecticut.© © 2014 Tim Jones
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Hello all. Haven't had much time to hunt, as life has been getting in the way. I have only been out 5 or 6 times so far this year, and only 3 times to my regular fishing hole. (Early Jurassic, Shuttle Meadow Formation, Connecticut.) My hole in the ground had caved in/slumped down over the winter, and with the spring rains, I have not had a lot of opportunity to get out to this spot. Each time I found a few things, while spending the majority of my time removing dirt from the cave-ins. The most notable find from the previous two trips was from the beginning of June. A Semionotus sp., missing the tail and the lower third of it's skull and body. Well, I had a chance to get out for a few hours this past Sunday, to hunt my Shuttle Meadow formation stomping grounds, with Pagurus. I arrived slightly earlier than Mike did, as he had a long drive, and I am much closer. I arrived around 7:20 am, and commenced to digging some of the rubble from the winter/spring cave-ins. It was a pleasant day, but the digging induced much sweating, as the temperature climbed with the humidity. Within about 15-20 minutes of digging, I uncovered a likely looking piece of shale, that must have been in the slumped material. I split it on the side, but it broke down the middle as I struck the shale with my trusty Estwing rock hammer. I commenced to splitting the 1st half - nothing notable. Then, I split the second half, and was rewarded by the sight of a lovely fish,... another Semionotus sp. this time, nearly complete, and only missing it's tail. Continued...
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From the album: Fossildude's Early Jurassic Fish Fossils
Counterpart to Semionotus sp. Early Jurassic, Shuttle Meadow Formation. Connecticut. Found as is, on June 29, 2014.© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Semionotus sp. (possibly S. micropterus?) Early Jurassic, Shuttle Meadow Formation. Connecticut© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Early Jurassic, East Berlin Formation. Connecticut. Some type of mineral has stained around where the fish fossil was - leaving a ghostly imprint/outline. Hence the picture title. Just a few bits of scale left hanging on to the fossil itself. This is a cool one, to me. Found on December 29th, 2013© © 2014 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry Early Jurassic Shuttle Meadow Fm. CT. Found on 11/17/2013© © 2013 Tim Jones
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From the album: Fossildude's Early Jurassic Plant Fossils
Fronds of the rare fern, Clathropteris meniscoides from the Shuttle Meadow formation of Connecticut. In 18 years of collecting this site, I have less than 10 examples of this plant from this locality. Found on 11/10/2013© © 2013 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry From the Early Jurassic Shuttle Meadow fm. Connecticut.© © 2013 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Partial Ptycholepis marshi Newberry, with pelvic, anal, and caudal fins. Early Jurassic, Shuttle Meadow Formation. CT.© © 2013 Tim Jones.
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Has anyone heard from the academia if there is a re-assessment of putative Massospondylus synonyms allocated by Cooper (1981)? The last time I checked I found out that Gryponyx had been re-instated as valid by Vasconcelos and Yates (2004) and Yates himself now says that Gyposaurus (restricted to G. capensis) is also probably distinct from the true Massospondylus. Moreover, the discovery of Aardonyx, Ignavusaurus, Arcusaurus, the Spion Kop sauropod and "Melanorosaurus" thabanensis as well as the recognition of a second species of Massospondylus (M. kaalae) raises questions about whether or not the remaining putative synonyms of M. carinatus allocated by Cooper (1981) are referrable to Massospondylus. Any word from the academic community as to whether there is re-appraisal of putative synonyms of Massospondylus? NOTE: When synonymizing Gyposaurus, Gryponyx, Aristosaurus, Hortalotarsus, Dromicosaurus, and Aetonyx with Massospondylus, Cooper (1981) considered Lufengosaurus to be congeneric with Massospondylus. The fact that Lufengosaurus is distinct from Massospondylus provides me with another reason to consider the synonymy of Aristosaurus, Hortalotarsus, Dromicosaurus, and Aetonyx with Massospondylus questionable.
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From the album: Fossildude's Early Jurassic Plant Fossils
Early Jurassic, Shuttle Meadow Formation - Connecticut. Small leaf of the fern Clathropteris meniscoides. Taxon Hierarchy: Plantae; Tracheophyta; Gleicheniales; Dipteridaceae; Clathropteris Found on June 1st, 2013.© © 2013 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry. Early Jurassic - Shuttle Meadow Formation. CT. A nearly complete ( but poorly preserved ) individual - needs some prep. too.© © 2012 Tim Jones
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From the album: Fossildude's Early Jurassic Plant Fossils
Brachyphyllum sp. Early Jurassic, Shuttle Meadow Fm. Connecticut.© ©2012 Tim Jones
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From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry. Early Jurassic, (Hettangian) Shuttle Meadow Fm. Hartford Basin, Connecticut. This is one of the more rare fish found in the Newark Supergroup. I more commonly find disarticulated scales. There is a very thin layer of shale over the caudal fins, and part of the body as well. Needs prep by air abrasion.© ©2012 Tim Jones
