Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:29 -0700
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Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
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Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:28 -0700
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James St. John a posté une photo :

Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:28 -0700
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Description :
James St. John a posté une photo :

Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:28 -0700
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Description :
James St. John a posté une photo :

Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:27 -0700
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Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Thu, 08 May 2025 12:24:28 -0700
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James St. John a posté une photo :

Arthrophycus alleghaniensis (Harlan, 1831) - t
Tags : arthrophycus alleghaniensis trace fossils traces fossil ichnofossil ichnofossils clinch formation tuscarora sandstone silurian tennessee grainger county feeding burrow burrows pleuralata spinosa soft bodied softbodied arthropod arthropods
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Wed, 22 May 2024 14:28:31 -0700
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This fossil is a straight-shelled nautiloid cephal
Tags : nautiloid nautiloids cephalopod cephalopods limestone marion union station ohio fossil fossils bioturnbated burrow burrows burrowed
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Auteur : James St. John
Date de publication : Wed, 22 May 2024 14:28:31 -0700
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James St. John a posté une photo :

This fossil is a straight-shelled nautiloid cephal
Tags : nautiloid nautiloids cephalopod cephalopods limestone marion union station ohio fossil fossils bioturnbated burrow burrows burrowed
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Auteur : James St. John
Date de publication : Wed, 22 May 2024 14:28:32 -0700
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James St. John a posté une photo :

This fossil is a straight-shelled nautiloid cephal
Tags : nautiloid nautiloids cephalopod cephalopods limestone marion union station ohio fossil fossils bioturnbated burrow burrows burrowed
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Sun, 04 Jun 2023 00:45:55 -0700
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Trace fossils, also known as ichnofossils, are any indirect evidence of ancient life. They refer to features in rocks that do not
Tags : trace traces fossil fossils ichnofossil ichnofossils burrow burrows knox county ohio neonereites
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Auteur : James St. John
Date de publication : Wed, 21 Dec 2022 22:53:33 -0800
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<
Tags : dinosaur ridge colorado dakota sandstone cretaceous trace fossil traces fossils bioturbation bioturbated reconstruction burrow burrows maker makers worm worms crustacean crustaceans
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Auteur : James St. John
Date de publication : Sun, 24 Jul 2022 00:12:25 -0700
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This cluster of burrows is part of a prairie dog town in North Dakota. Black-tailed prairie dogs (Cynomys l
Tags : prairie dog town towns dogs little missouri badlands north dakota burrow burrows roosevelt national park
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Auteur : James St. John
Date de publication : Sun, 24 Jul 2022 00:12:25 -0700
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James St. John a posté une photo :

This cluster of burrows is part of a prairie dog town in North Dakota. Black-tailed prairie dogs (Cynomys l
Tags : prairie dog town towns dogs little missouri badlands north dakota burrow burrows roosevelt national park
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Sat, 04 Jun 2022 21:16:51 -0700
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Tags : chondrites burrow burrows trace traces fossil fossils dunkinsville roadcut adams county ordovician silurian
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Auteur : James St. John
Date de publication : Sat, 04 Jun 2022 21:16:49 -0700
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Tags : chondrites burrow burrows trace traces fossil fossils dunkinsville roadcut adams county ordovician silurian
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Auteur : James St. John
Date de publication : Sat, 04 Jun 2022 21:16:49 -0700
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Tags : chondrites burrow burrows trace traces fossil fossils dunkinsville roadcut adams county ordovician silurian
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Auteur : James St. John
Date de publication : Sat, 04 Jun 2022 21:16:50 -0700
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Tags : chondrites burrow burrows trace traces fossil fossils dunkinsville roadcut adams county ordovician silurian
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Auteur : James St. John
Date de publication : Wed, 27 Apr 2022 20:01:20 -0700
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Trace fossils are indirect evidence of ancient life. They are structures representing the behavior of ancient organisms. Ophiomorpha is a curvilinear, subcylindri
Tags : ophiomorpha nodosa fossils fossil burrow burrows trace traces pellet pellets pelleted
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Wed, 27 Apr 2022 20:01:20 -0700
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James St. John a posté une photo :

Trace fossils are indirect evidence of ancient life. They are structures representing the behavior of ancient organisms. Ophiomorpha is a curvilinear, subcylindri
Tags : ophiomorpha nodosa fossils fossil burrow burrows trace traces pellet pellets pelleted
Licence : https://creativecommons.org/licenses/by/2.0/deed.it
Auteur : James St. John
Date de publication : Wed, 03 Nov 2021 17:49:46 -0700
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Skolithos linear
Tags : skolithos linearis trace fossils burrows sandstone quartzite clinch formation silurian tennessee mountain
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