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An ammonitic ammonoid with the body chamber missing, showing the septal surface ... Many ammonoids probably lived in the open water of ancient seas, ...
en.wikipedia.org/wiki/Ammonite - Similar
These extinct marine animals belonged to the class of molluscs called cephalopods, and so were related to the octopus, squid and pearly nautilus. Ammonoids ...
museumvictoria.com.au/prehistoric/time/ammonoids.html - Similar
Description: Ammonoids were squidlike creatures that lived inside an external shell. In fact, ammonoids are relatives of the modern squid, as well as the ...
www.kgs.ku.edu/Extension/fossils/ammonoid.html - Similar
Britannica online encyclopedia article on ammonoid (fossil cephalopod subclass), any of a group of extinct cephalopods (of the phylum Mollusca), ...
www.britannica.com/EBchecked/topic/21076/ammonoid - Similar
A Pictorial Guide to Fossil Cephalopods found in Utah.
www.ammonoid.com/ - Similar
Miniature ammonoid fossil, emblem of the Cretaceous.
geology.about.com/library/bl/images/blammonite.htm - Similar
After the End-Permian extinction 250 million years ago, ammonoids diversified and recovered 10 to 30 times faster than previous estimates.
www.sciencedaily.com/releases/2009/09/090902122331.htm - Similar
Ammonoids are abundant, though generally poorly preserved, in the upper beds in both measured sections. We recognize these upper layers as the Anasibirites ...
gsa.confex.com/gsa/2009RM/finalprogram/abstract_158011.htm - Similar
A virtual visit to a world-famous fossil ammonoid locality in Nevada roughly 235 million years old; many images of fossils.
inyo.110mb.com/ammonoids/ammonoids.html - Similar
Ammonoid or Ammonites are an extinct group of marine animals of the subclass Ammonoidea in the class Cephalopoda, phylum Mollusca. ...
www.newworldencyclopedia.org/entry/Ammonoid - Similar
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