Rocks, Minerals & Fossils

Gomphotherium sp. First Image

#image-loader-main { display: none; }

Gomphotherium sp. First Image

Gomphotherium sp.

Total Sales0 Sold

Median Sale Price

Sale Price Range

Similar Upcoming Sales

Rare trilobite Belenopyge sp. (1 of 8)

Rare trilobite Belenopyge sp.

Chairish Auctions

Exquisite trilobite - Barrandeops sp. (1 of 5)

Exquisite trilobite - Barrandeops sp.

Chairish Auctions

Rare Aglaspidid Tremaglaspis sp. (1 of 6)

Rare Aglaspidid Tremaglaspis sp.

Chairish Auctions

Beautiful trilobite duo of Gerastos sp. (1 of 7)

Beautiful trilobite duo of Gerastos sp.

Chairish Auctions

Cleoniceras sp. — Small Hematite Ammonite Pair in Box Frame (1 of 2)

Cleoniceras sp. — Small Hematite Ammonite Pair in Box Frame

Weatherham Estate Treasures

May 26, 2026

Knightia Sp. Herring Fam. Green R. Eocene, WY. Lincoln Co., Kammerer. (1 of 7)

Knightia Sp. Herring Fam. Green R. Eocene, WY. Lincoln Co., Kammerer.

Heartland Artifact Auctions

3 days Left

Superb 6.5 cm tooth of a theropod dinosaur Spinosaurus sp. (1 of 8)

Superb 6.5 cm tooth of a theropod dinosaur Spinosaurus sp.

Chairish Auctions

Small Spiral Ammonite In Glass Dome With Wooden Base (Cleoniceras sp) (1 of 1)

Small Spiral Ammonite In Glass Dome With Wooden Base (Cleoniceras sp)

Weatherham Estate Treasures

May 25, 2026

Uncommon trilobite - Cyphaspis sp. (1 of 8)

Uncommon trilobite - Cyphaspis sp.

Chairish Auctions

Finest small trilobite Dactylocephalus sp. (1 of 3)

Finest small trilobite Dactylocephalus sp.

Chairish Auctions

Magnificent 36.5 cm ammonite - Prososphinctes sp. (1 of 4)

Magnificent 36.5 cm ammonite - Prososphinctes sp.

Chairish Auctions

Turritella Gastropods On Steel Stand (Turritella sp) (1 of 3)

Turritella Gastropods On Steel Stand (Turritella sp)

Weatherham Estate Treasures

773 Lots Away

Fine bone of a marine reptile - Mastodonsaurus sp. (1 of 4)

Fine bone of a marine reptile - Mastodonsaurus sp.

Chairish Auctions

Knightia sp — Freshwater Herring Fossil In Box Frame (1 of 2)

Knightia sp — Freshwater Herring Fossil In Box Frame

Weatherham Estate Treasures

May 26, 2026

Mammuthus sp — Woolly Mammoth Bone, Tooth & Hair Fossil In Box Frame (1 of 2)

Mammuthus sp — Woolly Mammoth Bone, Tooth & Hair Fossil In Box Frame

Weatherham Estate Treasures

May 26, 2026

TOP