Tropaeum
Genus of molluscs (fossil)
From Wikipedia, the free encyclopedia
Tropaeum is an extinct genus of ammonites found throughout the oceans of the world during the Early Cretaceous. As with many other members of the family Ancyloceratidae, there was a trend among species within this genus to uncoil somewhat, in a very similar manner to the genus Lytoceras. The largest species, T. imperator of Australia, had a shell a little over one meter in diameter.
| Tropaeum Temporal range: Early Cretaceous | |
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| Tropaeum imperator | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Suborder: | †Ancyloceratina |
| Family: | †Ancyloceratidae |
| Genus: | †Tropaeum Sowerby, 1837 |
| Species | |
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The name "Tropaeum" was applied by paleontologist James De Carle Sowerby, in 1837.
