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 Temporal range: | |
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Fossil of Asteroceras stellare from Nuremberg (Germany) | |
Scientific classification | |
Domain: | Eukaryota |
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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