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: 196.5–189.6 Ma
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]

References


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