Asteroceras stellare
Asteroceras stellare, the true star ammonite, is an extinct species of cephalopod belonging to the Ammonite subclass and to the family Arietitidae.[1]
| Asteroceras stellare | |
|---|---|
 | |
| Fossil of Asteroceras stellare from Nuremberg (Germany) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Arietitidae |
| Genus: | †Asteroceras |
| Species: | †A. stellare |
| Binomial name | |
| †Asteroceras stellare Sowerby 1815 | |
These fast-moving nektonic carnivores lived during the lower Jurassic period, around 196.5 to 189.6 million years ago.[2]
Description
Asteroceras stellare has a shell reaching a diameter of about 90 centimetres (35 in).[2]
Distribution
Fossils of this species may be found in the Jurassic of Germany, Hungary and United Kingdom.[2]
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