The Field Museum

Fossil Invertebrates Collection Biodiversity and Geography

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Between a Rock and a Hard Place

A man wearing a white lab coat uses a paintbrush to touch up the teeth of a Daspletosaurus dinosaur skeleton.

Before SUE the T. rex, there was ‘Gorgeous George’

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Before SUE the T. rex, there was ‘Gorgeous George'

A vertebra bone that has iridescent rainbow coloring on one side.

Working in Paleontology: An Introduction to the Collections

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Ghost Lineages

Left: A mounted T. rex skeleton inside a museum gallery. Right: A long-necked titanosaur skeleton in a large classical hall.

Which Dinosaur Bones Are “Real”?

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Making Máximo the Titanosaur

Ask Emily! #15

Illustration of a forest scene, with prehistoric animals on either side of a creek. In the foreground, a black and blue striped lizard-like animal perches on a rock as it appears to hunt a winged insect. A smaller lizard crosses a log over the creek. On the other side, two flat-faced, pig-sized animals approach the water’s edge, and a dinosaur creeps in the background.

These New Fossil Discoveries Show Why Evolution is the Coolest

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Side-by-side graphic of SUE the T. rex, showing before and after changes. The areas that have been moved or changed are highlighted in gray.

A Fresh Science Makeover for SUE

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Compare how SUE's shape and pose changed from 2000 (left) to 2018 (right).

Meet the Pterosaur Flock

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Five images of fossils are combined into a grid. Each fossil has text identifying it. A rounded seashell protruding from rock is labeled as an Orthospirifer brachiopod; a flat, leaf-like seashell is labeled as Strophomenid brachiopod; a circular ring in rock is a crinoid; a lacy fossil on a rock surface is a bryozoan; and a wavy depression in rock is a cephalopod.

Guide to Fossils from Tropical Milwaukee

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Looking down on a man holding a pipette and applying a liquid to a fossil dicynodont skull that is still partially buried in the ground.

Fossils in Zambia Are a Window into Extinction

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The Fossils in the Floor

In a 1922 Charles Knight mural, a group of Protoceratops gather on a sandy hill, one watching over a clutch of eggs, while two stand nearby. Another in the background eats leaves from a small tree.

Photo Archives - Charles Knight Paintings Gallery

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Protoceratops, Mesozoic era. Primitive ceratopsian dinosaur with eggs, found in the Gobi desert of Mongolia, 1922. ID# CK10T

Paleoart: Painting the Land Before Time

A large dinosaur skeleton standing on a brown surface and leaning forward menacingly, in a museum gallery

Meet SUE’s New Neighbors in the Hall of Dinosaurs

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Find Daspletosaurus in Evolving Planet.

Meet SUE's Neighbors in the Hall of Dinosaurs

Caihong juji. Illustration: Velizar Simeonovski

This Rainbow Dinosaur Had Iridescent Feathers

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Caihong juji

A man holding the upper jaw of a very large animal, with long pointed teeth. The man is kneeling on the floor in between two rows of shelves that hold other fossils

Q&A with a Fossil Mammals Curator

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A woman sitting at a desk with art supplies, holding a pencil in hand and drawing a nautilus

Bringing Fossils to Life Through Art

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Various rocks sorted out by type on a piece of white pastic

Beachgoer’s Guide to Lake Michigan Fossils and Rocks

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Beachgoer's Guide to Lake Michigan Fossils and Rocks

Fossil Myths: Cyclopes, Griffins, & Magic Fairy Bread

Two photos side-by-side: A women sitting in front of a large drill, and a bowl with a gold bracket attached to it, for display

What's in a Name? That Which We Call a Dinosaur

A tray filled with elongated eggs that are white, cream and brown in color

Before the Chicken, There Was the (Dinosaur) Egg

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Oviraptor eggs (a carnivorous dinosaur from the Early Cretaceous of Mongolia)

Illustration of prehistoric animals in a wetland area, with a crocodile-like animal in the foreground

Early Dinosaur "Cousin" Surprisingly Crocodile-Like

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Life reconstruction of Teleocrater rhadinus feasting on a deep relative of mammals, Cynognathus. The large dicynodont Dolichuranus is seen in the background. Credit: Natural History Museum, London, artwork by Mark Witton.

Black and white dinosaur skeleton, with an inset of its small arm and hand

Image modified from Krause et al., 2007), and the inset showcasing a 3D model of the oddly reduced forelimb (image modified from Burch and Carrano, 2012.

Let's Lend These Dinosaurs a Hand

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A woman holding an electric hand tool and a painter's brush, leaning over a large mass of dirt with bones protruding from it

Women in Science: Akiko Shinya, Fossil Preparator

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Women in Art: Ann Prazer, Mountmaker

A large T. rex skeleton on display in a museum, with people looking at it and columns in the background

Tyrannosaur Relatives of SUE

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Fascinating Meteorites With Clues To Understanding Our Solar System

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The Meteorites exhibition, now open at the Museum

Monster Mystery Solved

Tully Monster reconstruction by Sean McMahon

Is the Tully Monster a Vertebrate or an Enigma?

Side-by-side of a woman seated at a desk, working on a drawing, and a close-up of an illustration of orange foxes

Women in Art: Adrienne Stroup, Geology Collections Assistant

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What Do We Mean By Facts?

Colorful illustration of a landscape with palm trees, a stream, and rhino-like animals in front of a sunset

Picturing the Past Through Scientific Illustration

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Three dinosaur skeletons with different horns on their heads, lined up in an exhibition

How Did Dinosaurs Woo Their Mates?

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Media

2016 By The Numbers

Top 10 Science, Nature, and Culture Stories of 2016

Two large dinosaurs, one wearing a Cubs jersey

Why We Don’t Dress Up SUE (Or Any Other Real Skeletons)

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Why We Don't Dress Up SUE (Or Any Other Real Skeletons)

A spiral shell-like fossil next to apples and oranges

A Thanksgiving Tale of Two Horns

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Arietites obtusus specimen (P 2467), photographed by Paul Mayer. 

How Our Fossil Prep Lab Helped Fight Real-Life Crime

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Using a water-cooled rock saw to cut rhino horn for a special request.

Eight of the Most Nightmarish Prehistoric Animals

An artist's rendering of an prehistoric carnivore called a beardog, with it's mouth open reaching for an insect.

Fossil "Beardogs" Shed Light On Evolution Of Dogs

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© Monica Jurik, The Field Museum

Fossil Hunting 101

SUE Lends a Hand: Field Museum Scientists Remove T. rex’s Arm for Argonne Study

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Fossil skeleton of SUE the T. rex

SUE Lends a Hand: Field Museum Scientists Remove T. rex's Arm for Argonne Study

SUE the T. rex

SUE the T.rex fossil skeleton

How well do you know SUE?

An artist's rendering of a small dinosaur being chased through a field by two larger dinosaurs, while two other small dinosaurs run away in the background.

Newly-discovered dinosaur had “T. rex arms” that evolved independently

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© Jorge González and Pablo Lara

A very large jaw of the extinct shark megalodon, with a modern shark jaw suspended in the middle.

Four Fossil Sharks That Are Cooler Than Megalodon

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Two sculptures, created by French paleoartist Elisabeth Daynès, give a breathtakingly lifelike look at human relatives—Homo ergaster and Homo neanderthalensis.

Bringing Neanderthals to Life: Sculptures of Elisabeth Daynès

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Copyright ès — Reconstructions: Elisabeth Daynès Paris

Zoomed in photo of a fly-like insect trapped in orange amber

Revisiting “Jurassic Park”: Could Dinosaurs Really be Cloned?

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Field Museum specimen of an insect trapped in 40-million-year-old Baltic amber.

Drawing of an animal that looks like a large cat with small ears and long, sharp teeth

Dueling Sabers: What This Marsupial has in Common With a Cat

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Reconstruction of saber-toothed marsupial Thylacosmilus

An artist's rendering of a Purgatorius unio, a small prehistoric mammal resembling a squirrel.

Mammals began their takeover long before the death of the dinosaurs

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© Nobu Tamura

A fossil of a Sclerocormus parviceps, a sea-dwelling reptile, shown with a ruler to show scale.

Sea-dwelling Reptile Fossil Hints At Rapid Evolution After Mass Extinction

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An artistic rendering of an under water scene, featuring the crocodile-sized sea-dwelling reptile, Atopodentatus unicus, swimming with prehistoric fish.

Hammerhead creature was world’s first plant-eating marine reptile

“Hammerhead” creature was world's first plant-eating marine reptile

Tully monster mystery SOLVED!

How to Beat Extinction: Live Fast, Die Young

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Illustration

5 Behind-the-Scenes Specimens with Links to Darwin

Seeing Double: How The Field Museum Makes Fossil Casts

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Left: A pantodont fossil at The Field Museum (). Right: The pantodont cast made from Field Museum specimens (photo courtesy of the North Dakota Geologic Survey)

Fire Frogs and Eel-like Amphibians

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“Fire Frogs” and Eel-like Amphibians

“Scarface”: The Dachshund-sized Pre-mammal with a (Possibly) Venomous Bite

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The First Brachiosaurus

Monsters Storm The Field

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Compiling an atlas of phylogenetic characters for anomodont therapsids

Fossil Meteorites Arrive at The Field Museum

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An Early Nocturnal Ancestor

Nocturnal Synapsids

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Fossil Meteorites

Fossil Sharks

In Search of Fossil Fish

Dimetrodon is Not A Dinosaur

About the Turnbull Collection

SUE's Microbes go to Space

Siats meekerorum

Dominant Dinosaur That Lived Before T. rex Discovered

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A Sea Monster Named Jim

Brachiopods and WWII

Antarctica Lobster Fossil

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This specimen, UC 9705, was collected by F. W. Stokes in February, 1902. It is the lobster Hoploparia stokesi and it has the distinction of being the first fossil collected from Antarctica and scientifically described

New Giant Sea Predator Discovered

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3D X-Ray Microtomography Reconstructions

From First Grade to the Field Museum: A Paleontologist's Research Comes Full Circle

Fieldwork Photos from Fishes

Brazil 2012 Fieldwork Diary Entry 12: Cachaça on the Rocks

Brazil 2012 Fieldwork Diary Entry 13: Skeleton!

Brazil 2012 Fieldwork Diary Entry 15: The Evolutionary Process of Science