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Rhaetian Lorraine Region

Rhaetian fossils from the Lorraine region.

Other fossil remains

The other fossil remains that were recovered mainly consist of bone material, teeth belonging to extinct marine reptiles as well as other extinct families (of which I have no knowledge at all) and occasionally an early mammal tooth. The fact that this fauna is dominated by marine species might lead to the conclusion that this is a marine deposit. Most likey this marine deposit was under influence of fluvial- or other land deposits, hence the teeth of early mammals and small dinosaurs. Finding these remains tends to be extremely difficult, especially the mammal teeth because most of them are extremely small. Some types of dinosaur teeth have been mentioned in scientific literature (Godefroit & Knoll, 2003). Because these descriptions are based only on teeth, specific determination of the specimens is lacking. In literature you'll most likely find something such as "Theropod indet. Type 1" and so on. Therefore, naming these specimens exactly proves to be extremely difficult.

 

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Unidentified tooth

 

 

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Unidentified tooth 

 

 

 Notice the fine and relatively irregular serrations.

 

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Unidentified Plesiosaur tooth

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Unidentified Plesiosaur tooth(nr.2)

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Unidentified scale 

 

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Most likely theropod dinosaur tooth, yet unidentifiable.

Notice the coarse and regular serrations. 

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Unidentified Ichthyosaur tooth

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Unidentified reptile tooth

Notice the extremely fine and regular serrations. 

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Unidentified vertebra

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Unidentified 

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Unidentified 

 

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Unidentified 

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Most likely a Ctenacanthid scale

 

Ctenacanthid sharks have not yet been thoroughly described from the Belgian Rhaetian. No teeth have been reported up to this date.

 

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