Invertebrates

Invertebrates are animals that neither develop nor retain a vertebral column, which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordate subphylum Vertebrata, i.e. vertebrates.

Tarantulas

Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. As of 2025, more than 1,100 species have been identified, within 177 genera. Wikipedia

Scientific name: Theraphosidae

Clade: Avicularioidea

Class: Arachnida

Family: Theraphosidae; Thorell, 1869

Infraorder: Mygalomorphae

Kingdom: Animalia

True Spiders

Spiders are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Wikipedia

Scientific name: Araneae

Order: Araneae; Clerck, 1757

Clade: Tetrapulmonata

Kingdom: Animalia

Phylum: Arthropoda

Subphylum: Chelicerata

Scoptions

Scorpions are predatory arachnids with eight legs, a pair of grasping pincers and a narrow, segmented tail, often carried in a characteristic forward curve over the back and always ending with a stinger. The evolutionary history of scorpions goes back 435 million years. Wikipedia

Scientific name: Scorpiones

Class: Arachnida

Collective noun: bed, nest

Clade: Arachnopulmonata

Kingdom: Animalia

Order: Scorpiones; C. L. Koch, 1837

Centipedes

Centipedes are predatory arthropods belonging to the class Chilopoda of the subphylum Myriapoda, an arthropod group which includes millipedes and other multi-legged animals. Centipedes are elongated segmented animals with one pair of legs per body segment. Wikipedia

Scientific name: Chilopoda

Class: Chilopoda; Latreille, 1817

Kingdom: Animalia

Phylum: Arthropoda

Subphylum: Myriapoda

Milipedes

Millipedes are a group of arthropods that are characterised by having two pairs of jointed legs on most body segments; they are known scientifically as the class Diplopoda, the name derived from this feature. Each double-legged segment is a result of two single segments fused together. Wikipedia

Scientific name: Diplopoda

Class: Diplopoda; Blainville in Gervais, 1844

Kingdom: Animalia

Phylum: Arthropoda

Subphylum: Myriapoda