Large Fossilized Ammonite Placenticeras Meeki in Matrix

North America, United States, South Dakota, Pennington County, Cheyenne River, Pierre Shale Formation, Lower Cretaceous, 100.5 to 66 million years ago. A superb, fossilized ammonite of the Placenticer

prehistoric, large grouping of fossilized nautilus and orthoceras shells encased in rock matrix, with acrylic stand, 26 x 16 in. - Provenance: Collection of Sandra Manheimer, Cary, North Carolina

Large Fossilized Ammonite Cluster Display Panel on Stand the museum-quality cluster displayed on an acrylic stand, panel h. 48", w. 32", stand h. 65", w. 32", together with a small fossilized Orthocer

**Originally Listed At $1000** Ancient Seas, Jurassic to Cretaceous period, ca. 200 to 66 million years ago. A fossilized ammonite that is nearly fully excavated from the stone it fossilized in, some

Ancient seas, Paleozoic period. ca. 400 million years ago. A gorgeous and large ammonite fossil with shimmering iridescence. The shell is nicely preserved, and the creamy white surface is polished to

Western Europe, late Jurassic period, ca. 160 to 154 million years ago. A large, fossilized ammonite shell in limestone from the Quenstedtoceras genus, known for the tight spiral and ribbed exterior.

Large Fossilized Ammonite Shell. Weight Approx: 45lb Approx. Measurements: 16in x 13in x 6 inches.Domestic Shipping: $55

Ancient Seas, ca. 400 million years ago. A large fossilized ammonite, an extinct marine mollusk that was related to the living coleoid family, including octopus and squid. The fossilized rock has a cr

Large Fossilized Orthoceras & Ammonite Plate. Origin Morocco. Polished top with raised fossils, flate base. Measures 13x12x1". Excellent condition.

Very Large Fossilized Polished Ammonite. Size: 10 1/2 x 9 1/2 x 5 in. #2175

DESCRIPTION: A large Prehistoric fossilized ammonite specimen.CIRCA: PrehistoricORIGIN: ContinentalDIMENSIONS: H:10" x W:2.5" x L:12.5"CONDITION: Great condition. See lot description for details on it

Cretaceous Period, 130-60 million years BP. A group of marine fossils comprising: a large ammonite in matrix; a pair of gastropods in matrix; a matrix containing several small bivalves; three very lar

Très grande ammonite cornée sur matrice Very Large Horned Ammonite on Matrix Kranosphinctes sp. Late Jurassic Morondava River Basin, Atsimo-Andrefana Region of Toliara, Madagascar A fine, ma

Western Europe, Germany, Jurassic period, ca. 183 to 175.6 million years ago. A superb ammonite fossil (Arietites sp.) with excellent shell structure - prominent ribs and some suture patterning! The s

Northwestern Europe, England, Weymouth, Lower Oxfordian / Kimmeridgian Formation, Late Jurassic, ca. 163.5 to 157.3 million years ago. A stunning fossil from a carnivorous fish, Thrissops, within a la

Large fossilized Phareodus fish in matrix. Measures 27" at longest point, 17 1/4" at widest, 1 1/2" thickness.

North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A fabulous and large stone matrix from the "18 inch" layer of the Green River Formation, bearing a fos

Free Form Ammolite Panel Raw Dimension: 26 x 24mm Treated: No Ammolite is made from the shell of the extinct Placenticeras meeki and Placenticeras intercalare ammonite species. These stones

A large group of ammonite fossilized sculptures, ammonites are a group of extinct marine mollusc animals of the class cephalopods, that are often found as fossils in marine rocks dating from the Devon

A large, wonderfully preserved, highly colorful Hoploscaphites, ammonite in matrix, sitting atop a large portion of another, much larger example. The peanut-shaped nodule fits back together perfectly.

**Originally Listed At $200** Africa, Madagascar, late Cretaceous, ca. 71 million years ago. This is a large and beautiful pendant made of a fossilized ammonite with iridescent hues, set in a sterling

Ammonite in matrix as found- opalized chocolate tone 250-500 million years old -about 1 1/2 x 1 inch large specimen in matrix- other ammonites in same matrix as well.

North Africa, Anti Atlas Mountains, Ktaoua formation, Ordovician, ca. 488 to 443 million years ago. A rare and concentrated natural stone matrix of starfish and crinoids (sea lilies) that died and fos

Ancient Seas, Morocco, Mid Devonian period, ca. 387 million years ago. A fabulous trilobite fossil encased in a stone matrix. The trilobite is well preserved and retains much of the spikey pustules on