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Showing results for tags 'early jurassic'.
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From the album: My Echinoid Collection
Diademopsis crinifera Shale Plates Tafelfleins Bed, Posidonia Shale Early Toarcian Age, Early Jurassic (~183 Ma) Holzmaden, Baden-Württemberg, Germany Acquired online, September 2023 A neat couple of black shale plates containing several fragmented specimens of this Early Jurassic echinoid. There are at least 8 notable specimens between the plates, some having associated spines, as well as some smaller test fragments and some loose spines. These urchins are quite small, with the largest ones only being around 1cm (.3937 inches) in diameter. -
I fount this a few years ago around Livingston, New Jersey and do not quite know what it is. It is not completely symmetrical and does not quite match any of the other fossils that I have seen found in this area. I did see a Cycad fossil that had some resemblance but the less exposed side looks a little more different. It may also be a fish scale, tree bark, or even nothing. I think it is from the Towaco formation of the Lower Jurassic based on the location and the color of the rock. Any help would be greatly appreciated. Scale is in inches.
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From the album: My collection in progress
Gryphaea arcuata Lamarck 1801 Location: Baudrecourt, Moselle, Grand Est, France Age: 199 - 190 Mya (Sinemurian, Early Jurassic) Measurements: 6,7 cm (diameter) Kingdom: Animalia Phylum: Mollusca Subphylum: Conchifera Class: Bivalvia Subclass: Pteriomorpha Order: Ostreida Family: Gryphaeidae -
The North American Tyrannosauroidea Species from the Aptian-Santonian Cretaceous
Joseph Fossil posted a topic in General Fossil Discussion
The Tyrannosaur Dinosaurs (Tyrannosauroidea) inhabited North America from 152 Million Years ago during the Late Jurassic era up until 66 Million Years ago during the Late Cretaceous era. https://www.app.pan.pl/article/item/app20110141.html However, there is a relatively large geologic gap between the time of the Late Jurassic to the Santonian-Campanian stages of the Cretaceous (when the the oldest known Tyrannosaurid Lythronax (Late Creteaceous, 81.9-81.5 Million Years ago) emerged) in terms of the number of Tyrannosauroidae confirmed in North America. However, thi -
Likely/possible specimens of Tyrannosauroidea from the Southern Hemisphere (Jurassic-Early Late Cretaceous)
Joseph Fossil posted a topic in General Fossil Discussion
As a freshmen in College, I did a little extra credit report for my geology class about a controversial topic - Tyrannosauroidea diversity in the Southern Hemisphere during the Jurassic-Early Late Cretaceous periods. I was quite surprised at the amount of specimens I found. This diversity likely was the result of an early spread of the early tyrannosaur group Pantyrannosauria into Africa, Eurasia, and North America during the Jurassic and diversified once the land connecting these continents spread out more. Most of these species lived during the Early Cretaceous, though one or two exceptions -
Hi ! So I went on a walk in some marls in Lozère, France. Usually, I find some amonites and belemnites but this time I decided to change from my usual spot and searched around. I found an isolated marl which is a couple of kilometers away from the main marls which are known to be from the Toarcian. In the whole region (région des grands causses), marls can be either from Toarcian or Pliensbachian according to french wikipedia (https://fr.wikipedia.org/wiki/Marne_(géologie) ). Anyway in this new marl, I didn't find the same fossils as usual, at all. I found mainly gastropods, very sma
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From the album: Fossildude's Early Jurassic Plant Fossils
Shuttle Meadow Formation. Newark Supergroup, Hartford Basin. Pagiophyllum sp. Scale in cm.© ©Copyright 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
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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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Complete fish # 1 - Ptycholepis marshi Newberry
Fossildude19 posted a gallery image in Members Gallery
From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry Early Jurassic, (Hettangian) Shuttle Meadow Fm. CT. Hartford Basin, Newark Supergroup.© © Tim Jones 2010
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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 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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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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Ptycholepis marshi Newberry - ventro-dorsally compressed
Fossildude19 posted a gallery image in Members Gallery
From the album: Fossildude's Early Jurassic Fish Fossils
Ptycholepis marshi Newberry, a partial fish fossil. Skull and body, ventro-dorsally compressed - (belly up) Newark Supergroup, Hartford Basin, Shuttle-Meadow Formation, Connecticut. Early Jurassic - Hettangian.© 2021 T. Jones
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From the album: Fossildude's Early Jurassic Plant Fossils
Shuttle Meadow Formation Early Jurassic. Holyoke, Mass.© © 2012 Tim Jones
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Hi everyone. I found strange leaf. Leaf venation is unusial. Can it be somebody's wing? Length 53 mm. Russia, Chelyabinsk region. Late triassic or early jurassic.
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Early Jurassic plant fragments; East Berlin Formation in Connecticut
Cianfaglione posted a topic in Fossil ID
Here are a few recent plant finds from the Early Jurassic East Berlin Formation in Hartford County, Connecticut, USA. Possible plant ID's include a Pine Cone (almost three-dimensional!), Pine Seed, Brachyphyllum/Pagiophyllum, Equisetum. Comments, identifications, or corrections are greatly appreciated. Thank you!- 2 replies
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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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Early Jurassic plant fragments; East Berlin Formation in Connecticut, USA
Cianfaglione posted a topic in Fossil ID
Here are a few recent plant finds from the Early Jurassic East Berlin Formation in Hartford County, Connecticut, USA. Possible plant ID's include a possible Selaginella (club moss), Brachyphyllum/Pagiophyllum, Equisetum w/strobilus detached (?). Comments, identifications, or corrections are greatly appreciated. Thank you!- 3 replies
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Fossil, or modern plant imprint? Early Jurassic of Connecticut.
Cianfaglione posted a topic in Fossil ID
I'm not sure if I'm looking at a true fossil, or is this an impression of a modern day plant. As I often do, I washed the fossil down with warm water three times with the hope that if it was a modern imprint, it would partially, or completely fade away. Since it didn't fade one bit, I would like to please ask if these plant impressions are indeed legit fossils, or a stubborn modern day imprint. Early Jurassic, East Berlin Formation of Connecticut, USA. Thank you! -
Early Jurassic plant fragments; East Berlin Formation in Connecticut
Cianfaglione posted a topic in Fossil ID
Here are a few recent plant finds from the Early Jurassic East Berlin Formation in Hartford County, Connecticut. Possible plant ID's include Brachyphyllum/Pagiophyllum, Loperia simplex, Otozamites brevifolis. The most interesting fossil plate includes a marking that features three filamentous strands on one end, and a minute spore/seed head on the other. Comments, identifications, or corrections are greatly appreciated. Thank you!- 4 replies
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Early Jurassic plant fragment; East Berlin Formation in Connecticut
Cianfaglione posted a topic in Fossil ID
The first time I found this type of triangular marking I thought it was a broken off tip of a much larger plant fossil. Five specimens later (all identical in size and shape including straight-edged base) and I'm now starting to think that this might be a possible pinnae to some sort of cycadophyte. Illustration from the book Introduction to Plant Fossils; Cleal and Thomas. Early Jurassic, East Berlin Formation of Connecticut. Thoughts and comments would be greatly appreciated. -
Conifer Cone??? Early Jurassic East Berlin Formation in Connecticut
Cianfaglione posted a topic in Fossil ID
I found this interesting plate this morning, not sure what the two (circled) objects are, but they look like possible conifer cones, including what looks like a stem on the top cone-like marking. Early Jurassic, East Berlin Formation in Connecticut. Comments would be greatly appreciated. Thank you!- 4 replies
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Early Jurassic plant fragments; East Berlin Formation in Connecticut
Cianfaglione posted a topic in Fossil ID
Here are a few recent finds (all plant fragments I believe) from the Early Jurassic East Berlin Formation in Hartford County, Connecticut. Possible plant ID's include Brachyphyllum, Loperia simplex, and Equisetum. Comments, identifications, or corrections are greatly appreciated. Thank you!- 3 replies
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From the album: Fossildude's Early Jurassic Fish Fossils
Semionotus sp. partial caudal and dorsal fin Early Jurassic (Hettangian) Newark Supergroup, Hartford Basin, Shuttle Meadow Fm. Connecticut.© ©2012 Tim Jones
