Other Arthropod Fossils

Eurypterid Fossil Sea Scorpion Eurypterus Silurian 420 Mil Yrs 3"x2.75" Plate

This product is a beautifully preserved Eurypterid fossil sea scorpion from the Silurian period, dating back 420 million years. With its intricate design and historical significance, this sea scorpion fossil would make a great addition to any collection or display.

Eurypterid ( Fossil Sea Scorpion) Silurian – Ridgemount Quarry, Ontario E2

Ridgemount Quarry, Ontario, Canada. Authentic Eurypterid (“Sea Scorpion”) Fossil Prosoma. Authentic eurypterid (“Sea Scorpion”) fossil. Silurian Period (~430 million years old). Exact fossil pictured.

Sea Scorpion Eurypterid Head Fossil | Ridgemount Quarry Ontario | Silurian E5

Eurypterids were formidable aquatic arthropods that lived hundreds of millions of years before the dinosaurs. Ridgemount Quarry, Ontario, Canada. Authentic Eurypterid (Sea Scorpion). Silurian Period.

Sea Scorpion Eurypterid Head Fossil | Ridgemount Quarry Ontario | Silurian E4

Eurypterids were among the largest arthropods to ever inhabit Earth and were dominant predators in ancient Silurian seas. Ridgemount Quarry, Ontario, Canada. Authentic Eurypterid (Sea Scorpion) Fossil Prosoma – Silurian, Ontario, Canada.

Extremely Rare ! Oldest Silurian fossil Scorpion or Eurypterid 0,6 cm long !

All are monospecific, except Palaeopisthacanthus (two species), and possibly Archaeoctonus (see above, two or three species). Kjellesvig-Waering (1954) described a second species of Palaeophonus from the late Silurian of England, although the material on which it is based consists of an isolated pedipalp chela and its generic identity is far from certain.

Eurypterid Fossil Sea Scorpion Eurypterus Silurian 420 Mil Yrs 3.5"x4" Plate

This product is a beautifully preserved Eurypterid fossil sea scorpion from the Silurian period, dating back 420 million years. With its intricate design and historical significance, this sea scorpion fossil would make a great addition to any collection or display.

Eurypterid Fossil Sea Scorpion Eurypterus Silurian 420 Mil Yrs 3.25"x3" Plate

This product is a beautifully preserved Eurypterid fossil sea scorpion from the Silurian period, dating back 420 million years. With its intricate design and historical significance, this sea scorpion fossil would make a great addition to any collection or display.

Fossil-Killer Whip Scorpion from Poland Not Mazon Creek-Trilobite Crinoid

I’ve showed it to a number of nodule experts from around the world and they are very confident it’s a whip scorpion.

Oldest Carboniferous ginkgo fossil insect damages ovipostional egg-laying scars

Stratigraphy: Upper Carboniferous – Pennsylvanian - Westphalian B – Orzeskie Beds. Fossils of this foliage type are generally rare. Lateral margins are slightly concave, and the distal margin is convex and may be irregularly lobet or fringed.

Sea Scorpion Eurypterid Head Fossil | Ridgemount Quarry Ontario | Silurian E3

Eurypterids were among the largest arthropods to have ever lived and were apex predators in ancient Silurian seas over 430 million years ago. Ridgemount Quarry, Ontario, Canada. Authentic Eurypterid (“Sea Scorpion”) Fossil Prosoma.

Ultra Rare Pterygotid Acutiramus Fossil With Both Claws! New York Bertie Fm

This piece was found in the Bertie Formation Group of New York. The Pterygotids lived from the Ordovician to the Devonian, but are most common in the Silurian.

Eurypterid Fossil Sea Scorpion Eurypterus Silurian 420 Mil Yrs 3"x2.5" Plate

This product is a beautifully preserved Eurypterid fossil sea scorpion from the Silurian period, dating back 420 million years. With its intricate design and historical significance, this sea scorpion fossil would make a great addition to any collection or display.

Eurypterid ( Fossil Sea Scorpion) Silurian – Ridgemount Quarry, Ontario E1

Ridgemount Quarry, Ontario, Canada. Authentic Eurypterid (“Sea Scorpion”) Fossil. Authentic eurypterid fossil. Silurian (~430 million years old). Exact fossil pictured.

Collect exquisite mammalian teeth xl01

Collect exquisite mammalian teeth

Rare fossil arthropod Belinurus lunatus alien looking head not Mazon Creek !

Very rare Carboniferous fossil horseshoe crab : Belinurus lunatus(Martin 1809). from closed locality in Crock Hey Open Cast Quarry, Wigan, Lancashire, United Kingdom preserved in Mazon Creek like siderite paired nodule.

EURYPTERID FOSSIL - LANGS QUARRY New York- Eurypterus remipes - Silurian LOT

Eurypterid fossil lot from LANGS Quarry in New York. Approximately 420,000,000 years old. Note, this is a portion of the eurypterid. A neat head section. Generally fair condition but missing parts, has minor abrasion and an eye chip. - view photos Largest rock measures 7 x 6 1/2” Smallest rock measures 4 1/2 x 5 1/2 EVERYONE NEEDS A EURYPTERID- I wanted one as a kid so bad but they’re not easy to get!! FREE SHIPPING AND TRACKING

Partial Juvenile Eurypterus Sea Scorpion Fossil #2 ~ Silurian Period ~ New York

This is a partial juvenile Eurypterus sea scorpion fossil on a rock matrix from the Bertie Formation in New York. Eurypterus lived in the Silurian Period around 425 million years ago. Fossil Inventory.

Partial Juvenile Eurypterus Sea Scorpion Fossil ~ Silurian Period ~ New York

This is a partial juvenile Eurypterus sea scorpion fossil on a rock matrix from the Bertie Formation in New York. Eurypterus lived in the Silurian Period around 425 million years ago. Fossil Inventory.

Collectable Fossil Horseshoe Crab ancient artifacts educational tool kids love

Ancient artifacts …we think a Horse Shoe Crab. To big for a Trilobite. Truth is I know nothing about this field. Tennessee?. It’s colors change with the surroundings. It’s unclear if authentic due to conflicting info.

Juvenile Eurypterid fossil - Eurypterus remipes - Silurian Herkimer, NY

Age: Silurian.

Huge 7 cm wide Eurypterid head - Eurypterus remipes - Silurian Herkimer, NY

Age: Silurian.

Large 4 cm fossil horseshoe crab - Euproops - Mazon Creek - both sides - IL

Here is a large fossil horseshoe crab from the Mazon Creek deposits of Illinois. It is very well preserved. Includes both sides of the nodule. Locality: Mazon creek deposits, Illinois.

Eurypterid fossil - partial Acutiramus - Silurian - Fiddlers Green, Herkimer, NY

Age: Silurian.

Fossil Chiton - Mazon Creek - both sides nodule - Illinois - Pennsylvanian

Here is a fossil Chiton from the Mazon Creek deposits of Illinois. It is well preserved. Includes both sides of the nodule. Locality: Mazon creek deposits, Illinois. Age: Carboniferous - Pennsylvanian.

2.1 cm fossil horseshoe crab - Euproops danae - Mazon Creek - both sides - IL

Here is a fossil horseshoe crab from the Mazon Creek deposits of Illinois. It is very well preserved. Includes both sides of the nodule. There's a chance the locality may be off and may be Knob Noster, Missouri.

Eurypterid fossil - large dolichopterus head - Silurian - Fiddlers Green, NY

Age: Silurian.

3.7 cm fossil horseshoe crab - Euproops - Mazon Creek - both sides nodule - IL

Here is a large fossil horseshoe crab from the Mazon Creek deposits of Illinois. Includes both sides of the nodule. Missing most of tail portions. Locality: Mazon creek deposits, Illinois.

11 cm Oreodont skull fossil - White River fm - Oligocene mammal

Here is a fossil Oreodont skull from the White River formation. Locality: White River formation.

Eurypterid fossil - Acutiramus claw - Silurian - Fiddlers Green, Herkimer, NY

Age: Silurian.

Carboniferous Eurypterid fossil partial head - Knob Noster, Missouri

Here is a fossil eurypterid head from the Knob Noster Missouri site. Includes both sides of the nodule. Fairly detailed, could be further prepped. Locality: Knob Noster, Missouri. Age: Carboniferous Pennsylvanian.

Weird 1.4 cm fossil horseshoe crab - Euproops - Mazon Creek - both sides - IL

Here is a weirdly preserved fossil horseshoe crab from the Mazon Creek deposits of Illinois. Includes both sides of the nodule. Locality: Mazon creek deposits, Illinois.

Eurypterid fossil - dolichopterus head - Silurian - Fiddlers Green, Herkimer, NY

Age: Silurian.