Natural History Fossilized Ammonite Shell Specimen

The remains of an extinct marine creature from the Jurassic period fossilized in limestone. This Nautilus style shell form features a tight spiral and ribbed exterior. Total weight ~ 2470 grams. No ap

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"

Art by God, A Natural History Fossil Ammonite Specimen. This is a great pre historical conversation piece for the home or office. Museum quality and investment worthy. SHIPPINGHill Auction Gallery wil

Two natural history items, including: Placenticeras ammonite fossil, unearthed near Wasta, South Dakota; together with black tourmaline and quartz specimen; L: 11 1/4" (larger, approx.)

Jurassic Period, 200-145 million years BP. A sawn and polished pair of ammonite halves from Madagascar, showing its inner chambered structure, in an old white card tray with label reading: 'AMMONITE,

An extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of i

An extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of i

Excellent specimen

Ammonoidea coiled shell cephalopod, probably Devonian to late Cretaceous period. [9 1/4 x 12 1/2 x 3 3/4 inches].

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Excellent specimen

Large group of petrified wood, rock and crystal specimens in shades of pink and brown. Sizes range from 1 1/2" to 9".

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