Achillobator giganticus was a carnivorous dinosaur. It was a large member of the Dromaeosauridae family, at approximately 17 feet in length and 7 feet in height. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Groups Pterosauria Crocodylia (crocodiles) Dinosauria    Aves (birds) Archosaurs (Greek for ruling reptiles) are a group of diapsid reptiles that first appeared during the late Permian (roughly 250 million years ago). ... Orders Saurischia    Sauropodomorpha    Theropoda Ornithischia Dinosaurs are animals that dominated the terrestrial ecosystem for over 160 million years. ... Groups Sauropodomorpha    Saturnalia    Prosauropoda    Sauropoda Theropoda    Eoraptor    Herrerasauridae    Ceratosauria    Tetanurae       Avis (extant) Saurischians (from the Greek Saurischia meaning lizard hip) are one of the two orders/branches of dinosaurs. ... Subdivisions Coelophysidae Ceratosauria Abelisauridae Spinosauroidea Carnosauria Coelurosauria Theropods (beast foot) are a group of bipedal saurischian dinosaurs. ... Subclades Nqwebasaurus Proceratosaurus Tyrannoraptora ?Coeluridae ?Compsognathidae Tyrannosauroidea Maniraptoriformes [incertae sedis] Alvarezsauridae Maniraptora Ornithomimosauria Coelurosauria is a group of theropod dinosaurs that includes the subgroups Tyrannosauridae, Ornithomimidae, and Maniraptora. ... Maniraptora is a group used in biological classification to cover the birds and the dinosaurs that were related to them. ... Families Dromaeosauridae Troodontidae The Deinonychosauria were a successful clade of theropods in the Cretaceous period. ... Genera Achillobator Adasaurus Atrociraptor Bambiraptor Buitreraptor Cryptovolans Dromaeosauroides Dromaeosaurus Deinonychus Graciliraptor Microraptor Neuquenraptor Pyroraptor Saurornitholestes Sinornithosaurus Utahraptor Variraptor Velociraptor Megaraptor Dromaeosaurids, raptors or members of the family Dromaeosauridae (running lizards) are theropod dinosaurs. ... In biology, binomial nomenclature refers to the formal method of naming species. ... A carnivore is an animal that eats a diet consisting solely of meat, whether it comes from live animals or dead (scavenging). ... Orders Saurischia    Sauropodomorpha    Theropoda Ornithischia Dinosaurs are animals that dominated the terrestrial ecosystem for over 160 million years. ... Genera Achillobator Adasaurus Atrociraptor Bambiraptor Buitreraptor Cryptovolans Dromaeosauroides Dromaeosaurus Deinonychus Graciliraptor Microraptor Neuquenraptor Pyroraptor Saurornitholestes Sinornithosaurus Utahraptor Variraptor Velociraptor Megaraptor Dromaeosaurids, raptors or members of the family Dromaeosauridae (running lizards) are theropod dinosaurs. ...