What are ammonites?
Q: What are ammonites?
A: Ammonites were marine cephalopod molluscs of the subclass Ammonoidea.
Q: What do ammonite fossils look like?
A: Ammonite fossils show a ribbed spiral-form shell, in the end compartment of which lived the tentacled animal.
Q: When did ammonites live?
A: Ammonites lived in the seas from at least 400 to 65 million years ago.
Q: When did ammonites become extinct?
A: Ammonites became extinct at the K/T extinction event.
Q: What are the closest living relatives of ammonites?
A: The closest living relatives of ammonites are the octopus, squid, cuttlefish and Nautilus.
Q: How many orders are recognised in the Ammonoidea?
A: Nine orders are recognised in the Ammonoidea: five in the Palaeozoic and four in the Mesozoic.
Q: What subclass do ammonites belong to?
A: Ammonites belong to the subclass Ammonoidea.
