Fossil Ferns - 260 Million Years Old . Come with Wood

7''x6''x0.3''. Fossil Ferns - Pennsylvanian Period 260 million years olf Preserved in beds of slate.

Fossil ferns pinnules, Alleropteris. Pennsylvanian, 300 million years old

Agonieties sp., Orthoceras sp.DevonianMorocco This pair of 350 million year old fossils comes from the abundant deposits of Saharan Morocco. Instead of being highly polished, however, as most specimen

With an old tag that reads, "Penna. Fern Fossil, St. Clair, 310 million years old, the mineral collection, Elkins Park, PA". Dimensions: 14 1/2" x 8 1/4". Provenance: From a local estate.

A GROUP OF TWO PREHISTORIC PETRIFIED WOOD FOSSIL SPECIMENS, APPROXIMATELY 200 MILLION YEARS OLD, comprising two free form wood fossils, the larger black and white specimen with a highly polished surfa

BEAUTIFUL 7 3/4" x 7 1/8"" LARGE SLAB OF PETRIFIED WOOD, VERY COLORFUL EXAMPLE, OVER 200 MILLION YEAR OLD FOSSILS

Petrified wood bowl. Madagascar. Triassic, 225 million years old 3lb

COMPLETE FOSSIL COPROLITE PAIRFrom Henry Mountain in Hanksville, Utah comes this remarkable duo of dinosaur droppings. Presumed to be Cretaceous, that is 65-110 million years old, they are immediately

Early Carboniferous Period, 300 million years BP. A fossil of the seed fern Neuropteris cordata comprising a stalk of the plant to one face and a stalk and frond imprint to the other; with old Gregory

Carboniferous Period, 350 million years BP. An outer section of the seed fern Neuropteris semirecticulatum with good preservation of the attachment points for the seed-bearing fronds, with old Gregory

Jurassic Period, 199-145 million years BP. A sawn and polished section of a fossil wood (petrified wood) log from Patagonia retaining some original grain, in old white card tray with old Gregory, Bott

Dinosaur Dung Poop Coprolite Fossil Millions Years Old

Dinosaur Dung Poop Coprolite Fossil Millions Years Old

Dinosaur Dung Poop Coprolite Fossil Millions Years Old

Dinosaur Dung Poop Coprolite Fossil Millions Years Old

6" Shell Fossil 4-5 million Years old.

LOT OF 3 LARGE TRILOBITE FOSSILS, 500 MILLION YEARS OLD

3 3/4" Gingko Fossil, USA, Several Million Years Old

Ammonite pearlized fossil 250 - 500 million years old with brillian silver rainbow colors - condition is good for its age -about 1 1/2 x 1 3/4 inches

Opalized rainbow sheen ammonite with high gloss - good condition for ancient fossil -about 250 million years old - 2 x 1 1/2 "

Five Prehistoric Fish FossilsApproximately 40 million years old.Largest Fossil Measures 13.75" x 9.5" x 0.5"

Lot of 2 Early Fossilized Stones. These 2 Black Fossils are 300 Million Year Old Orthoceras, Early Squid.Condition: Generally Good, As Found.Dimensions: Tallest 9.5" x 3.5" x 2.5".Provenance: From a N

LARGE DINOSAUR POOP FOSSIL, COPROLITE, APPROXIMATELY 100 MILLION YEARS OLD FOSSILIZED DINO DUNG

Fossil Opalized ammonite Madagascar 100 million years old