An Ammonite in Concretion from the Pierre Shale

Placenticeras sp. Mesozoic Era, Cretaceous Period, 145 million years ago Pierre Shale Formation, Custer County, South Dakota nodule length 14 in. Prepared so that the Ammonite is removable from the co

Sphenodiscus sp. Mesozoic Era, Upper Cretaceous Period, 100.5 million years ago Pierre Shale Formation, Pennington County, South Dakota length 13.5 in. Provenance from the Steve Dowell Collection,

Oxybeloceras meekanum Mesozoic Era, Cretaceous Period, 145 million years ago Pierre Shale Formation, Custer County, South Dakota specimen height 5 in. x length 5.75 in. Provenance found and prepared b

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

**Originally Listed At $650** Ancient Seas, North America, South Dakota, Pennington County, Cheyenne River, Pierre Shale Formation, Cretaceous Period, ca. 83.6 to 72.1 million years ago. A collection

RARE Tylosaurus tail. Pierre Shale frm., Cretaceous 65 Million Years Ago (MYA). Prepared, as found by Ron Ruschman and in the same surrounding matrix. In a panel mount that displays nicely whether on

Baculite Cluster. Restored as found in the nodule. Pierre Shale Frm., Cretaceous, 65 MYA. Pennington Co. SD A Bold display piece

Baculites sp. Mesozoic Era, Cretaceous Period, 145 million years ago Pierre Shale Formation, Custer County, South Dakota specimen length 13 in. Still has lots of good nacre and suture pattern. Provena

13" x 10" Clam/bivalve, Pierre Shale, near Rapid City SD

Mosasaur vertebrae. Pierre Shale, Cretaceous 65 MYA Perkins Co., SD

Western Europe, Stuttgart, Germany, Holzmaden Black Shale Formation, Jurassic period, ca. 200 million years ago. A gorgeous and large ammonite shell within a large stone slab that not only fossilized

8 1/2" pair of Ammonite Fossils encrusted in Shale Made to hang on a wall

7 1/2" Shale Matrix with Multiple Ammonite Fossil Inclusions

Lower Jurassic Period, Toarcian Stage, Grey Shales, 180 million years BP. A fossil ammonite Dactylioceras sp., within a small shale pebble, including the upper mould portion. 303 grams total, 63-75mm

Exceptionnelle ammonite opalescente Exceptional Opalescent Ammonite Placenticeras meeki Upper Cretaceous Pierre Shale, South Dakota, USA Long a key part of a major private collection, this beautiful P

Russian, Jurassic Period. A pair of median-line cut Speetoniceras versicolor ammonite fossils, each displayed in cross section on a polished concretion; inner chambers with drusy pyrite crystals. Each

Huge double ammonite fossil specimen, Two beautifully preserved fossilized spiral shells on shale, mounted on natural stone base and slate plinth, 17"h x 14"l x 10"w (total), 12"dia x 7"d (larger), 7"

Jurassic Period, circa 180 million years B.P. Two halves of a fossil Dactylioceras sp. within a small shale pebble; held in a white card collector's tray. 123 grams total, 55-57 mm (2 1/8 - 2 1/4 in.)

Lower Jurassic, Toarcian Stage, Upper Lias, Grey Shales, 199-175 million years BP. A large split Dactylioceras commune ammonite nodule, showing both positive and negative aspects, from Whitby, UK. 632

Wall-mounted shelves by Paul Evans with three 11" wide, 78" high. Sculpted bronze pylons supporting 15" deep. Bronze glass shelves on brackets

Framed panel from the 1960's series "Abstraction Geometrique" by Sonia Delaunay featuring blocks of bright and muted color silk-screened on fabric, 900 printed. This is no. 90/900 with Sonia Delaunay

Custom Executive Desk by Harvey Probber.Featuring solid bronze sculptural pedestal base.Measures: 46" W, 29" D, 2" thick in polished brass finish.Supporting cantilevered 2.5" thick walnut top.with new

Late 19th Century dining room suite32 in.H x 58 in.W x 35 in.D

Round Cork top coffee table by Paul Frankl for Johnson Furniture with dark solid Mahogany frame. 14 in height, 47.5 in diameter