The FossilFlip Journal
Field guides, paleontology deep dives, and fossil identification tips — published fresh every week.

Decoding Ammonite Sutures: Nature's Intricate Fossil Patterns
Discover the secrets behind the mesmerizing, leaf-like patterns on ammonite fossils and learn how these 'sutures' reveal the history of ancient oceans.

Ammonites: Unlocking the Secrets of Ancient Oceans
Discover the fascinating world of ammonites, the spiral-shelled cephalopods that serve as nature's own geological clocks for dating Earth's history.

Megalodon Teeth: How to Spot a Real One and What They're Worth
Discover how to identify an authentic Megalodon tooth, avoid common fakes, and understand the factors that determine their market value.

How Do Fossils Form? The Science of Ancient Preservation
Ever wonder how a bone turns into stone? Discover the incredible journey from living organism to fossilized treasure in this beginner's guide.

How Paleontologists Date Fossils: A Beginner's Guide
Ever wonder how scientists know exactly how old a dinosaur bone is? Discover the fascinating science behind relative and absolute dating methods.

Green River Formation: The Eocene's Preservation Masterpiece
Discover the Green River Formation, a world-renowned fossil site in the American West that offers an unparalleled window into life during the Eocene epoch.

Brachiopods vs Bivalves: Telling Two Ancient Shells Apart
Discovered a prehistoric shell fossil? Learn how planes of symmetry, hinge mechanics, and evolutionary history help you easily distinguish brachiopods from bivalves.

Brachiopods vs Bivalves: Telling Ancient Shells Apart
Discovered a fossil shell and not sure if it is a clam or a lamp shell? Learn the symmetry trick to easily distinguish brachiopods from bivalves.

The Jurassic Period: Dinosaurs, Climate, and Geography Explained
Discover the wonders of the Jurassic Period, a golden age of dinosaurs defined by lush landscapes, shifting continents, and a warm, humid climate.

The Jurassic Period: A Beginner's Guide to the Age of Giants
Step back 200 million years to explore the Jurassic Period, an era of shifting continents, lush tropical climates, and the rise of Earth's most iconic dinosaurs.

Trilobites: The Dominant Arthropods of the Paleozoic Era
Discover the incredible 300-million-year history of trilobites, the armored marine icons that ruled the Paleozoic seas with high-tech eyes and diverse adaptations.

Fossil Hunting USA: A State-by-State Guide for Beginners
Embark on a prehistoric adventure with our guide to finding fossils across the United States, from ancient marine life to massive dinosaurs.

Gastropod fossils: 500 million years of snail evolution

The Day the Dinosaurs Died: The Cretaceous Extinction Explained
Explore the cataclysmic event that ended the Age of Reptiles and paved the way for the rise of mammals 66 million years ago.

Unlocking the Past: How Ammonites Reveal the Secrets of Ancient Seas
Discover the fascinating process of ammonite fossilization and learn how these spiral-shelled creatures act as time capsules for Earth's prehistoric oceans.