Septarian base supported 4.5 inch Calycoceras ammonite – WC 91

Introducing a stunning 4.5-inch Calycoceras ammonite that is more than just a fossil—it’s a conversation starter. With its rich brown to rust tones and a concretion base, it balances perfectly without a stand. Whether you’re an experienced collector or just getting started, this piece from Tarrant County, Texas, will add a touch of natural history to your collection.