Crassotornoceras
| Crassotornoceras Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Goniatitida |
| Family: | †Tornoceratidae |
| Subfamily: | †Tornoceratinae |
| Genus: | †Crassotornoceras House & Price 1985 |
| Type species | |
| Tornoceras ausavense crassum Matern, 1931
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| Species | |
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Crassotornoceras is genus of ammonoids that lived during Upper Devonian period, from the base of Frasnian age until the base of Maenecoceras subvaricatum zone. Animals belonging to this genus had small subglobular conches with thin umbilicus. These were maybe ornamented by ribs and had biconvex growth lines. Suture had small, tongue-like adventitious lobe. Their fossils were found in United Kingdom, Germany, France, Belgium and Morocco.[1]
References
[edit]- ^ a b "Goniat database - Genus Crassotornoceras". Retrieved 2017-12-22.
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