Uncoiled Ammonite
Lot 1060
Uncoiled Ammonite
Sold for US$ 1,440 inc. premium
Auction Details
Lot Details
Uncoiled Ammonite
Lower Devonian

A single ammonite exhibiting a middle stage in the evolution of the ammonoid conch from the uncoiled bactritid conch. This change ultimately aided ammonites in both maneuverability and swimming velocity. Ammonites appeared after nautiloids and are distantly related to them.
Measures 4 ¼ x 3 3/4in
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