Solitary

Scutosaurus

Permian armor, plant-powered

Pachycephalosaurus

Built like a bipedal battering ram

Wiwaxia

Spiny armor from the Cambrian seafloor

Palaeoloxodon namadicus

The giant straight-tusked titan of Ice-Age India

Barylambda

Heavyweight of the Paleocene

Dunkleosteus

Armor-plated apex of Devonian seas

Hatzegopteryx

Hateg's giant sky-stalker

Helicoprion

Permian seas' spiral-toothed slicer

Xiphactinus

Not a dinosaur-Cretaceous sea predator

Crayfish

Claws that shape freshwater worlds

Giant Siphonophore

Many bodies, one predator.

Sequined Spider

Nature's tiny living disco ball

Feather Star

Feathery arms, drifting meals

Spanish Water Dog

Curly-coated worker: land and water.

Khao Manee

Thailand's White Gem with jewel eyes

Opaleye (Rudderfish)

The kelp-forest fish with an opal eye

Snailfish

Snailfishes: clingers of the cold deep

Ozark Bass

The Ozarks' star-spotted rock bass

Nutria

Orange teeth, big impact on wetlands

Orinoco Crocodile

Orinoco's long-snouted river giant

Onager

Iran's lightning-footed onager

Kissing Bugs

Night feeder, public-health sentinel

Olingo

Neotropical night-fruit acrobats

Nabarlek

Small wallaby, big cliff skills.