Muddy

Giant Isopod

The deep sea's armored scavenger

Common Carp

Tough fish, muddy footprint.

Buffalo Fish

Big bodies, subtle mouths, ancient lives

Pictus Catfish

Spots, speed, and super-long whiskers

Dobsonfly

Big jaws, clean streams, short adult lives

Belted Kingfisher

Bank-burrower. Perch-watcher. Plunge-diver.

Common Angelshark

Ray-shaped, shark-built, seabed hunter

Lemon Shark

Twin dorsal fins, coastal king

Hawk

Built to see, swoop, and soar

Arsinoitherium

Rhino looks, afrotherian roots

Hainosaurus

Titan hunter of Europe's Cretaceous seas

Stupendemys

Side-necked titan of ancient rivers

Coryphodon

Big browser of the Eocene wetlands

Pelycosaurs

Permian pioneers of the mammal line

Holy Cross Frog

The desert frog with a cross on its back

Giant Beaver

Ice Age beaver, supersized.

Palaeophis

Eocene sea-snakes, written in vertebrae

Desmostylus

Pillar-toothed grazer of Miocene coasts

Paleoparadoxia

The North Pacific's ancient "paradox grazer"

Viper Boa

Looks like a viper, hugs like a boa.

Flathead Catfish

The mottled, flat-headed night hunter

Scallops

The clapping swimmers of the seafloor

Chiton

Eight plates. One unstoppable grip.

Sand Dollar

Coins of the seafloor, built to burrow