Ammonite

Like the modern nautilus, this relative of modern squid hunted from inside the safe haven of a protective shell. Ammonites went extinct around the same time as the dinosaurs—65 million years ago.  Find more about ocean predators in our interactive timeline Who's on Top?

Illustration of two ammonites, with coiled shells and many tentacles.
Mary Parrish/Smithsonian Institution

View Related Ocean Media Content

comment_wrapper_curve_top

Share your comments here.

* When you click submit, your comment will be added to the queue for review and will be published after approval.

  • Web page addresses and e-mail addresses turn into links automatically.
  • Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.
  • Filtered words will be replaced with the filtered version of the word.

More information about formatting options

Type the characters you see in this picture. (verify using audio)
Type the characters you see in the picture above; if you can't read them, submit the form and a new image will be generated. Not case sensitive.

Comments

I found what looks like an

I found what looks like an ammonite fossil on the shores of honey moon island after tropical storm debby. I,ve been shelling for decades however I never came across anything like this before.Could you tell me if the find has any significance. Thanks, Jeff

Submitted by Anonymous on Mon, 07/02/2012 - 9:08pm.

comment_wrapper_curve