--- title: "Evolutionary Clades & Animal Lineages | AnimalTracks.wiki" description: "Explore the animal kingdom organized by evolutionary clades, deep family trees, and bizarre biological adaptations." image: "https://animaltracks.wiki/icon-512.png" --- # Evolutionary Clades & Animal Lineages > Explore the animal kingdom organized by evolutionary clades, deep family trees, and bizarre biological adaptations. The animal kingdom organized by evolutionary milestones rather than dusty taxonomy tables. ## Curated Clades (31 Evolutionary Branches) ### [Birds (*Aves*)](https://animaltracks.wiki/clades/birds/) - **Species**: 69 Creatures - **Evolutionary Trait**: Feathered surviving theropod dinosaurs with hollow bones, flow-through lungs, and extreme navigation. ### [Ray-Finned Fishes (*Actinopterygii & Sarcopterygii*)](https://animaltracks.wiki/clades/fish/) - **Species**: 53 Creatures - **Evolutionary Trait**: Hydrodynamic aquatic rulers with lateral line pressure sensors, swim bladders, and electrical weaponry. ### [Insects (*Insecta*)](https://animaltracks.wiki/clades/insects/) - **Species**: 46 Creatures - **Evolutionary Trait**: Six-legged masters of flight, metamorphosis, compound eyes, and social supercolonies. ### [Hoofed Mammals (*Ungulata*)](https://animaltracks.wiki/clades/ungulates/) - **Species**: 42 Creatures - **Evolutionary Trait**: Keratin-hoofed runners equipped with multi-chambered fermentation stomachs and head armor. ### [Rodents & Lagomorphs (*Rodentia & Lagomorpha*)](https://animaltracks.wiki/clades/rodents/) - **Species**: 24 Creatures - **Evolutionary Trait**: Continuously growing chisel teeth, explosive reproductive rates, and architectural engineering. ### [Arachnids & Scorpions (*Arachnida*)](https://animaltracks.wiki/clades/arachnids/) - **Species**: 22 Creatures - **Evolutionary Trait**: Eight segmented legs, hydraulic joint movement, liquid external digestion, and silk spinning. ### [Cats & Felines (*Felidae*)](https://animaltracks.wiki/clades/felines/) - **Species**: 20 Creatures - **Evolutionary Trait**: Hyper-carnivorous ambush predators engineered with razor retractile claws and explosive acceleration. ### [Primates (*Primates*)](https://animaltracks.wiki/clades/primates/) - **Species**: 20 Creatures - **Evolutionary Trait**: Large-brained social strategists with grasping digits, stereoscopic depth vision, and tool mastery. ### [Snakes (*Serpentes*)](https://animaltracks.wiki/clades/snakes/) - **Species**: 20 Creatures - **Evolutionary Trait**: Limbless tactical predators with kinetic skull bones, heat-sensing pits, and biochemical venom. ### [Sharks & Rays (*Chondrichthyes*)](https://animaltracks.wiki/clades/sharks-rays/) - **Species**: 18 Creatures - **Evolutionary Trait**: Flexible cartilage skeletons, conveyor-belt replacement teeth, and electrical sensing pore networks. ### [Amphibians (*Amphibia*)](https://animaltracks.wiki/clades/amphibians/) - **Species**: 17 Creatures - **Evolutionary Trait**: Permeable respiratory skin, transformative larval metamorphosis, and potent toxic alkaloids. ### [Birds of Prey (*Accipitriformes, Falconiformes & Strigiformes*)](https://animaltracks.wiki/clades/raptors/) - **Species**: 15 Creatures - **Evolutionary Trait**: Apex avian hunters with telescopic zoom vision, curved meat-shearing talons, and silent flight. ### [Crustaceans (*Crustacea*)](https://animaltracks.wiki/clades/crustaceans/) - **Species**: 15 Creatures - **Evolutionary Trait**: Calcified chitin armor, multi-jointed appendages, and sonic cavitation claw strikes. ### [Lizards & Tuatara (*Sauria & Rhynchocephalia*)](https://animaltracks.wiki/clades/lizards/) - **Species**: 15 Creatures - **Evolutionary Trait**: Parietal third eyes, detachable autotomy tails, and microscopic dry-adhesion toe pads. ### [Insectivores & Ancient Mammals (*Afrotheria & Eulipotyphla*)](https://animaltracks.wiki/clades/insectivores-allies/) - **Species**: 14 Creatures - **Evolutionary Trait**: Venomous saliva, tactile star-snouts, and ancient evolutionary lineages of the subterranean and aquatic depths. ### [Cephalopods (*Cephalopoda*)](https://animaltracks.wiki/clades/cephalopods/) - **Species**: 13 Creatures - **Evolutionary Trait**: Three hearts, blue hemocyanin blood, and skin that functions like a high-speed video screen. ### [Mustelids & Otters (*Mustelidae*)](https://animaltracks.wiki/clades/mustelids/) - **Species**: 13 Creatures - **Evolutionary Trait**: Elongated hyper-muscular dynamos with fearless attitudes, scent defense glands, and high metabolisms. ### [Echinoderms & Worms (*Echinodermata & Invertebrata*)](https://animaltracks.wiki/clades/invertebrates/) - **Species**: 12 Creatures - **Evolutionary Trait**: Water vascular hydraulic systems, cryptobiosis survival, and ambush strike jaws. ### [Canids & Wild Dogs (*Canidae*)](https://animaltracks.wiki/clades/canids/) - **Species**: 11 Creatures - **Evolutionary Trait**: Relentless pursuit predators built for long-range endurance, pack coordination, and olfactory tracking. ### [Hyenas, Mongooses & Allies (*Feliformia & Caniformia Allies*)](https://animaltracks.wiki/clades/carnivorans-allies/) - **Species**: 11 Creatures - **Evolutionary Trait**: Specialized carnivores featuring bone-dissolving stomach acids, venom resistance, and tactical social clans. ### [Jellyfish & Cnidarians (*Cnidaria & Ctenophora*)](https://animaltracks.wiki/clades/cnidarians/) - **Species**: 10 Creatures - **Evolutionary Trait**: Microscopic pressurized harpoon cells, bioluminescent bells, and cellular immortality. ### [Molluscs & Sea Slugs (*Mollusca (Gastropoda & Bivalvia)*)](https://animaltracks.wiki/clades/molluscs/) - **Species**: 9 Creatures - **Evolutionary Trait**: Mineral-secreting muscular mantles, ribbon-like radula teeth, and stolen solar chloroplasts. ### [Seals & Sea Lions (*Pinnipedia*)](https://animaltracks.wiki/clades/pinnipeds/) - **Species**: 9 Creatures - **Evolutionary Trait**: Blubber-insulated marine carnivores built for icy ocean dives and coastal breeding haul-outs. ### [Whales & Dolphins (*Cetacea*)](https://animaltracks.wiki/clades/cetaceans/) - **Species**: 9 Creatures - **Evolutionary Trait**: Fully aquatic oceanic giants with biosonar echolocation, horizontal flukes, and deep-diving lungs. ### [Bears (*Ursidae*)](https://animaltracks.wiki/clades/bears/) - **Species**: 8 Creatures - **Evolutionary Trait**: Massive plantigrade tanks combining bone-crushing strength with seasonal metabolic shutdowns. ### [Marsupials (*Marsupialia*)](https://animaltracks.wiki/clades/marsupials/) - **Species**: 8 Creatures - **Evolutionary Trait**: Pouched mammals delivering tiny embryonic young that finish development outside the womb. ### [Crocodilians (*Crocodilia*)](https://animaltracks.wiki/clades/crocodilians/) - **Species**: 7 Creatures - **Evolutionary Trait**: Armored prehistoric river lords with hydraulic bite forces and sensory integumentary organs. ### [Armored Mammals & Sloths (*Xenarthra & Pholidota*)](https://animaltracks.wiki/clades/xenarthrans-pangolins/) - **Species**: 6 Creatures - **Evolutionary Trait**: Keratin scale plate armor, interlocking lumbar vertebrae, and ultra-slow metabolic adaptations. ### [Turtles & Tortoises (*Testudines*)](https://animaltracks.wiki/clades/turtles/) - **Species**: 5 Creatures - **Evolutionary Trait**: Bony armored shells fused to ribcages, magnetic navigation, and extreme lifespans. ### [Bats (*Chiroptera*)](https://animaltracks.wiki/clades/bats/) - **Species**: 2 Creatures - **Evolutionary Trait**: True powered flight masters of the night sky equipped with ultrasonic echolocation. ### [Monotremes (*Monotremata*)](https://animaltracks.wiki/clades/monotremes/) - **Species**: 2 Creatures - **Evolutionary Trait**: Egg-laying mammalian living relics featuring electroreceptive bills and venomous spurs.