Prehistoric Sea Life- Large Orthoceras Fossil, 370 Million Y Ago

Ancient seas, ca. 400 million years ago. Both of these have been highly polished and have attractive reds, browns, whites, and blacks in their coloration. The first is a long, thin Orthoceras fossil.

**Originally Listed At $200** Ancient Seas, North America, Florida, Pliocene, ca. 3.7 million years ago. This is a fine collection of fossils: 2 large halves of prehistoric bivalve mollusks, and a pai

East Asia, Japan, Hokkaido (northern island), ca. 400 million years ago. A cluster of ammonites - at least nine - with some other extinct sea animals. Two are very large and well-preserved, the darker

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134084 23 LB. LARGE ORTHOCERAS FOSSIL SPECIMEN 19 X 15" 19 X 15" large 23 Lb. Orthoceras fossil specimen from the middle Ordovician time period (485-443 million years ago). Orthoceras is a genus of ex

North America, United States, Ohio, New York, & Indiana, Ordovician, Devonian, & Mississippian period, ca. 488.3 to 318 million years ago. This is a fascinating collection of fossils - 4 pieces contai

Crionoid or "Sea Lily" are animals that lived 400 Million years ago XLarge Size- 16" x 14"

This is a very attractive large composite stone featuring 3 fossil Ammonite, an attractive shell like creature which lived 65-415 million years ago, and 1 large fossil Orthoceras which is a squid like

134085 18 LB. ORTHOCERAS FOSSIL SPECIMEN 16 X 17" 16 X 17" large 18 Lb. Orthoceras fossil specimen from the middle Ordovician time period (485-443 million years ago). Orthoceras is a genus of extinct

Large Triassic Sea Lily (crinoid) fossils, Encrinus lilliformis, Triassic Period, c. 240 - 230 million years ago, Muschelkalk Layer, Germany. This impressive, museum-grade specimen of two sea lilies i

HUGE 12 1/2" FOSSIL ORTHOCERAS, FROM THE TRIASIC PERIOD 500-200 MILLION YEARS AGO, NICE LARGE PIECE THAT DISPAYS REALLY WELL

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

Ancient Seas, North America, Paleozoic period. ca. 400 million years ago. A vibrant and large ammonite fossil that has opalized and developed shimmering iridescence from ammolite formations. The shell

Ancient Seas, ca. 521 to 252 million years ago. A large Austerops trilobite with excellent remaining details, displayed by carving around the rock in which it was encased. The trilobite (meaning three

**Originally Listed At $200** Ancient Seas, ca. 521 to 252 million years ago. A large Austerops trilobite with excellent remaining details, displayed by carving around the rock in which it was encased

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

Ancient Seas, Near East, Lebanon, Hajoula, Cretaceous Period, ca. 145.5 to 65.5 million years ago. A wonderful and large example of a prehistoric Perionelepis fish with a second fish species, fossiliz

Ancient Seas, Cretaceous Period, 50 to 70 million years ago. Sepatrian Nodules began their life as sedimentary slime at the bottom of a Cretaceous Sea 50 to 70 million years ago. Sediment composed of

**This item is heavy/oversized and will require 3rd party shipping. Please inquire about shipping cost prior to bidding.** Ancient Seas, late Jurassic period, ca. 160 to 154 million years ago. A large

**Originally Listed At $200** Ancient seas, Paleozoic period, ca. 300 to 400 million years ago. A fantastic fossilized specimen that shows off a pair of well preserved brachiopods, a prehistoric clam,

**Originally Listed At $250** Ancient Seas, Cretaceous to Oligocene, ca. 145.5 to 23 million years ago. This is a fine pair of matrixes containing fossilized shells from prehistoric marine life - sand

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

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

North America, Wyoming, Green River Formation, Eocene Period, ca. 53.5 to 48.5 million years ago. A stone matrix containing fossilized palm fronds inlaid with a prehistoric fish, Priscacara. The place