Naturalia A group of ammonites Madagascar.

Africa, Madagascar, ancient seas, ca. 400 million years ago. A tall group of ammonites and other ancient shells fossilized in a hardened grey matrix. The ammonites range in color from a rich reddish b

Middle Jurassic Period, 170 million years BP. A group comprising: a Parkinsonia sp. ammonite from Madagascar; another unidentified ammonite; each in a card tray. 216 grams total, 62-81mm (2 1/2 - 3 1/

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calcite

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of eight small A-grade cut and polished Cleoniceras sp. ammonites from Madagascar, with the distinctive pattern of the cross-section

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of four naturally iridescent rainbow-shell Cleoniceras besairiei ammonites from Madagascar with clean centres. 144 grams total, 25-64

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of three A-grade naturally iridescent rainbow-shell Cleoniceras besairiei ammonites from Madagascar. 157 grams total, 52-61mm (2 - 2

Jurassic Period, 150 million years B.P. A group lot consisting of four whole white ammonites. 98 grams total, 35-41 mm (1 3/8 - 1 5/8 in.). From Madagascar. Private Shropshire, UK collection. [4, No R

Iridescent fossil Ammonite Madagascar, 1.75 inches

2 Boxed Pair Ammonites Madagascar

4 Pair Ammonites Madagascar

2 Pair Ammonites Madagascar Cretaceous

2 Pair Ammonites Madagascar

3 Fossil Ammonites Madagascar

3 Pair Ammonites Madagascar

Fossil Opalized ammonite Madagascar 100 million years old

Fossil "opalized" ammonite. Madagascar Creataceous, 100 million years old

Ammonite Madagascar

Ammonite Madagascar

Fossil Ammonite Madagascar 3.75"

Whole Fossil Ammonite Madagascar

Fossil Ammonite Madagascar 4.5"

Fossil knobby ammonite. Madagascar

Fossil Ammonite Madagascar 6"

Red Fire Opal Shell Ammonite Madagascar