Polished Sutured Ammonite - SOLD 4.20" Cleoniceras septariannodule The size can vary but

The size can vary but is generally around 1/2 inch

scale-like leaves

This specimen is a geologic fragment of a prehistoric Deep-Sea Hydrothermal Vent that was recovered from Kidd Creek Mine in Ontario

a data point which is reflected in the study of extinction rates in many smaller forms of life including foraminifera as well as larger species like the dinosaurs

The full list of specimens in the Third Edition collection appears below and you can read more about each of these amazing items on our special page for the Third Edition:

Polished Sutured Ammonite - SOLD 4.20" Cleoniceras septariannodule The size can vary butAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 20" polished Cleoniceras fossil from Madagascar. This particular genus of ammonite had beautiful suture patterns that cross their shells like feathered jigsaw pieces and make fantastic display pieces. A stand and informational card is included with each fossil.