Amphizoidae
Carabidae
Cicindelidae
Dytiscidae
Gyrinidae
Haliplidae
Noteridae
Rhysodidae 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... Suborders Adephaga Archostemata Myxophaga Polyphaga many subgroups: see Subgroups of the order Coleoptera Beetles (order Coleoptera) are one of the main groups of insects. ... Species Amphizoa insolens Amphizoa lecontei Amphizoa striata three others The trout-stream beetles are a small family (Amphizoidae) of water beetles, consisting of a single genus Amphizoa with six species, three from western North America and three from China. ... Genera (see article, hundreds) in 14 Subfamilies The ground beetles are a large family (Carabidae) of common and widespread beetles. ... Genera Cicindela Megacephala Omus Amblycheila Manticora The tiger beetles are a large group of beetles known for their predatory habits. ... Genera at least 160, see text The predaceous diving beetles (also spelled predacious) are a family (Dytiscidae) of water beetles. ... Genera Spanglerogyrus Dineutus Gyrinus Gyretes (eight others) The whirligig beetles are a family (Gyrinidae) of water beetles that normally live on the surface of the water. ... Genera Algophilus Apteraliplus Brychius Haliplus Peltodytes The crawling water beetles are a family (Haliplidae) of water beetles who swim poorly using an alternate motion of the legs, and therefore prefer to get around by crawling. ... Genera Phreatodytinae Phreatodytes Noterinae Notomicrus Neohydrocoptus Suphis Noterus Renotus Pronoterus Mesonoterus Siolius Synchortus Hydrocanthus Canthydrus Suphisellus The burrowing water beetles are a family (Noteridae C. G. Thomson 1857) of water beetles closely related to the Dytiscidae, and formerly classified with them. ... Genera Omoglymmius Clinidium (20 others) The wrinkled bark beetles are a family (Rhysodidae) of beetles, consisting of about several hundred species in 20 genera. ...