This is the family of true Crickets Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Bilateria Acoelomorpha Orthonectida Rhombozoa Myxozoa Superphylum Deuterostomia    Chordata (vertebrates, etc. ... Subphyla and Classes Subphylum Trilobitomorpha Trilobita - Trilobites (extinct) Subphylum Chelicerata Arachnida - Spiders, Scorpions, etc. ... Orders Subclass Apterygota Symphypleona - globular springtails Subclass Archaeognatha (jumping bristletails) Subclass Dicondylia Monura - extinct Thysanura (common bristletails) Subclass Pterygota Diaphanopteroidea - extinct Palaeodictyoptera - extinct Megasecoptera - extinct Archodonata - extinct Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Infraclass Neoptera Blattodea (cockroaches) Mantodea (mantids) Isoptera (termites) Zoraptera Grylloblattodea Dermaptera (earwigs) Plecoptera (stoneflies) Orthoptera (grasshoppers, crickets... Families Order: Orthoptera Suborder: Caelifera Acrididae Charilaidae Dericorythidae Eumastacidae Euschmidtiidae Lathiceridae Lentulidae Lithidiidae Ommexechidae Pamphagidae Pneumoridae Pyrgacrididae Pyrgomorphidae Romaleidae Tanaoceridae Tetrigidae Thericleidae Tridactylidae Tristiridae Suborder: Ensifera Cooloolidae Anostostomatidae Gryllacrididae Gryllidae Gryllotalpidae Haglidae Mogoplistidae Myrmecophilidae Rhaphidophoridae Stenopelmatidae Tettigoniidae Ref. ... Sub-orders Cooloolidae Anostostomatidae Gryllacrididae Gryllidae Gryllotalpidae Haglidae Mogoplistidae Myrmecophilidae Rhaphidophoridae Stenopelmatidae Tettigoniidae Categories: Invertebrate stubs ... A tree cricket sitting on a leaf. ...