
Kosmoceras proniae Ammonites in matrix from Mikhailov, Reagan Region, Russia dating from Middle Jurassic (162 - 164 Million Years Ago)
Ammonite sizes: approx 1.75", 1", .75"
Whole specimen in matrix size approx 3.25" x 3.25"
Kosmoceras proniae Ammonites in matrix from Mikhailov, Reagan Region, Russia dating from Middle Jurassic (162 - 164 Million Years Ago)
Ammonite sizes: approx 1.75", 1", .75"
Whole specimen in matrix size approx 3.25" x 3.25"