English name: Ammonites Replaced by hematite Period: Late Jurassic period (Kimmeridgian) about 150 million years ago. Origin: Morocco Size: Approximately 1.2 inches (30 mm). Specimen case size: 3.2 x 2.4 x 1.6 inches (82 x 60 x 40 mm). The diaphragm is hematite and the air chamber is replaced by calcite. The creature that lived in the ocean from late Sillus to the end of the Cretaceous Classifies to the same head and foot type as squid or octopus. It prospered in seas around the world until extinction in the Cretaceous Late The only part of the shell remains as the fossil, and over 10,000 types have been known. Note: We do not accept returns or exchanges due to customers preferences.
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