Iridescent Cleoniceras Fossil Ammonite Group

Cretaceous Period, 145-65 million years B.P. A group of five natural iridescent rainbow shell Cleoniceras besairiei ammonites; held in a white card collector's tray. 30-39 grams, 45-52 mm width (182 g

Cretaceous Period, 145-65 million years BP. A group of three polished Cleoniceras sp. fossil ammonites with opal lustre to the centres. 240 grams total, 64-70mm (2 1/2 - 2 3/4"). From a Cambridgeshire

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

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, circa 113-100 million years B.P.. Cleoniceras besairiei with large portions of the shell with rainbow iridescence. 242 grams, 10 cm (4 in.). From a Lincolnshire, UK, collection. [No

Title: iridescent Cleoniceras ammonite Date/Period: Cretaceous (110 million years old) - Mahajanga Province, Madagascar Materials: fossil ammonite Dimensions: / (68 x 53 x 20 mm / 82,5 g) The offered

Jurassic Period, circa 200 million years B.P. Promicroceras planicosta with iron stained surface giving a beautiful contrast in colour, from the Lower Lias, Obtusum Zone. 42.53 grams, 67 mm (2 3/5 in.

Cretaceous Period, Albian Stage, 150 million years BP. A large polished fossil Cleoniceras sp. ammonite with rich calcites and striking suture patterns. 500 grams, 13.2cm (5 1/4"). From the collection

Jurassic - Cretaceous Period, 201-66 million years BP. A group of ten ammonites of several species from different geological time periods. See http://jurassiccoast.org/fossilfinder/ 3.6kg total, 7-11c

Middle Cretaceous, Albian Stage, 150 million years BP. A group of three Douvilleiceras sp. ammonites, sometimes known as a goat horn, polished to reveal the rich calcites and striking suture patterns.

Middle Cretaceous Period, circa 150 million years B.P. Comprising three Douvilleiceras sp. specimens (sometimes known as a Goat Horn), polished to reveal rich calcites and suture patterns. 160 grams t

Jurassic Period, 199-145 million years BP. A group of three fossil Perisphinctes sp. ammonites with much of the original shell material remaining. 380 grams total, 68-76mm (2 3/4 - 3"). From an East A

Iridescent fossil Ammonite Madagascar, 1.75 inches

Jurassic Period, circa 170 million years B.P. A pair of Perisphinctes sp. fossil ammonites; held in white card collector's trays. 348 grams total, 79-84 mm (3 - 3 1/4 in.). Mineral Imports, London, UK

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/

Middle Jurassic Period, 165 million years BP. A group of three Parkinsonia sp. ammonites found at Sengenthal, Bavaria, Germany. 255 grams total, 60mm (2 1/2"). From an old Bristol paleontological coll

Devonian Period, 417-354 million years B.P. A group of five polished Goniatite sp. fossil ammonite 'buttons'. 590 grams total, 73-86 mm (2 7/8 - 3 3/8 in.). From Morocco, North Africa.Ex Cambridgeshir

Jurassic Period, 199-145 million years BP. A group of two cut and polished Eparietites denotatus sections, crystals to the cells on the inner faces. 616 grams total, 16-17.5cm (6 1/4 - 7"). From a Lin

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

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

Gorgeous Large Highly Iridescent Ammonite Fossil

IRIDESCENT AMMONITE FOSSIL SPECIMEN. HEIGHT 5 1/2"

6 cut and polished ammonite halves to visualize chambers, on cards, 1.5 x 1.25 x 0.25" to 1.25 x 1.0 x 0.25"; 1 entire with label identifying as Hoploscaphite from Fox Hills formation, South Dakota, o