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Showing results for tags 'early permian'.
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From the album: Permian
Some more complete Orthacanthus teeth, each maybe about 1/4" in size-
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From the album: Permian
One of the most common fossils from the Permian (this locality in particular). Unfortunately, they are almost always broken. Of the hundreds of teeth I have, perhaps only a few larger than a couple of mm are mostly complete.-
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From the album: Permian
A handful of the more interesting (of very few) fossils I found in unprocessed matrix from the Archer City fm. here in TX.-
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From the album: Permian
Eryops teeth are conical (this one bears no carinae, though don't know if that's true for the whole dentition), and often have basal creases.-
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From the album: Permian
It's remarkable how much of an ecosystem's diversity can be captured in a space smaller than a matchbox. In this case are the likes of Dimetrodon, Eryops, Archeria, Seymouria et al.-
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From the album: Permian
^ Maho & Reisz (2022)-
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From the album: Permian
Dimetrodon spines have a unique shape: ^ Brink et al. (2019) Many bones in the matrix I have appear to have bite marks - parallel grooves in bone. My amateur guess is that these are scavenging marks from a Dimetrodon carcass that got washed into a river and got chomped by Xenacanthid sharks (there certainly are other possibilities).-
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From the album: Permian
A freshwater cartilaginous fish with crushing teeth.-
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From the album: Permian
The "sharks" that swam the rivers and lakes of the Early Permian wouldn't be fun to pet!-
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From the album: Permian
I'm convinced it's a tooth, but not sure what kind. More images here.-
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the incomplete ventral valve is rather large, about 5cm wide and 8 cm longe, convext, sulcus deep and thin for productus type. It has a kind of triangle shape, with the beak broken and bent down. The beak itself actually look like a normal shaped productus, with costae and concentric lines at right angles forming a grid like network. The concentric lines are missing in other part of the shell, though the tubercles seem to be scatterd every where. I have never seem any thibk like this. Could it just be a drastically deformed productus of some kind, or some individual that got some abnormal growth in its life?
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Some finds from a weekend hunt in the Late Pennsylvanian / Early Permian Dunkard Group of West Virginia. Any corrections or identifications are welcome and appreciated. Scale throughout is in mm.
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- dunkard group
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form the late carb/early permian statum in Shanxi, China. The coil does remsemble an evolute nautilus, but it is only 6mm in diameter. I guess ome could not say it is a young nautilus or something, as the conch is hard material , and old part can could not change with growth. too big for fusulina. and not like a gastropod either.
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- small nautilus;
- close coiled;
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I've been trying to narrow down the ID for bryozoans I've been finding. I'm not sure if they're weathering out of the Bennett shale or from further up. I have collected about 15 of these over the years and found a nice one several days ago. They are characterized by rounded form with flattish uneven bases. Spacing between monticules is about 1 cm regardless of specimen size. The below example is about 8 cm wide at base and 5 cm tall. I can't find it right now so can only show photos. I'll put a link below to my more recent find. All help appreciated!
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- red eagle fm
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From the album: Vertebrates
Elonichthys fritschii FRIEDRICH, 1878 Early Permian Asselian Goldlauter Formation Gottlob Quarry Friedrichsroda Thuringia Germany Could definitely need some prep work and cleaning-
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