I was heading south in a crippled ammonite-sub, leaking and very slow.

Forerunners of the great ammonite family of cephalopod mollusks now appear.

The ammonite stem branched into a most luxuriant variety of forms.

An ammonite fossil found on the Jurassic Coast in Devon.

Given that these have never been found in association with ammonite fossils, they probably did not possess them.