Mule
Equus mulus
Warm-blooded vertebrates with hair or fur that nurse their young.
1,083 species
Equus mulus
Cebus imitator
Dugong dugon
Canis lupus familiaris
Alouatta
Genetta
Cold-blooded vertebrates with scales and typically lay eggs.
458 species
Sistrurus miliarius
Crotalus unicolor
Pteranodon
Squamata
Liasis olivaceus
Stigmochelys pardalis
Feathered, winged, egg-laying vertebrates.
405 species
Tyto alba
Treron vernans
Troglodytes aedon
Corvus hawaiiensis
Taeniopygia guttata
Psittaciformes
The largest class of fish, with fins supported by bony spines.
276 species
Acipenseridae
Pterois
Lepisosteus osseus
Ocyurus chrysurus
Centropomus
Belonidae
Six-legged invertebrates, the most diverse group of animals.
241 species
Bombus rupestris
Eriosomatinae
Endoxyla cinereus
Chrysomelidae
Psychidae
Papilio glaucus
Eight-legged invertebrates including spiders, scorpions, and ticks.
71 species
Kukulcania hibernalis
Missulena
Dermacentor variabilis
Heteropoda venatoria
Steatoda nobilis
Grammostola pulchra
Cartilaginous fish including sharks, rays, and skates.
64 species
Heterodontus francisci
Potamotrygon leopoldi
Galeocerdo cuvier
Raja clavata
Carcharias taurus
Sphyrna tiburo
Cold-blooded vertebrates that live both in water and on land.
52 species
Eryops
Nectophryne
Telmatobius yuracare
Bombina orientalis
Agalychnis callidryas
Lithobates pipiens
Hard-shelled invertebrates including crabs, lobsters, and shrimp.
28 species
Brachyura
Birgus latro
Cherax destructor
Ocypode
Ligia
Uca
Intelligent mollusks including octopuses, squid, and cuttlefish.
11 species
Vampyroteuthis infernalis
Architeuthis dux
Teuthida
Octopoda
Sepiida
Nautilus
Snails and slugs, mollusks with a single shell or none.
11 species
Conidae
Nudibranchia
Glaucus atlanticus
Chrysomallon squamiferum
Anentome helena
Goniobranchus willani
Two-shelled mollusks including clams, mussels, and oysters.
7 species
4 species
4 species
4 species
4 species
2 species
2 species
2 species
2 species
2 species
2 species
2 species
2 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
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