The oribi is an African antelope. The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... 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 Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea 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... Orders Subclass Embrithopoda (extinct) Subclass Creodonta (extinct) Hyaenodontidae Oxyaenidae Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Placentalia Afrosoricida Artiodactyla Carnivora Cetacea Chiroptera Dermoptera Desmostylia (extinct) Hyracoidea Insectivora Lagomorpha Macroscelidea Perissodactyla Pholidota Primates Proboscidea Rodentia Scandentia Sirenia Tubulidentata Xenarthra Subclass Marsupialia Dasyuromorphia Didelphimorphia Diprotodontia Microbiotheria Notoryctemorphia... Families Suidae Hippopotamidae Tayassuidae Camelidae Tragulidae Moschidae Cervidae Giraffidae Antilocapridae Bovidae The even-toed ungulates form the mammal order Artiodactyla. ... Subfamilies Bovinae Cephalophinae Hippotraginae Antilopinae Caprinae A bovid is any of almost 140 species of cloven-hoofed mammals belonging to the family Bovidae. ... 1842 was a common year starting on Saturday (see link for calendar). ... In biology, binomial nomenclature is a standard convention used for naming species. ... Eberhard August Wilhelm von Zimmermann (August 17, 1743 - July 4, 1815) was a German geographer and zoologist. ... Africa is the worlds second-largest continent and second most populous after Asia. ... Genera Aepyceros Alcelaphus Antidorcas Antilope Cephalophus Connochaetes Damaliscus Gazella Hippotragus Kobus Madoqua Neotragus Oreotragus Oryx Ourebia Pantholops Procapra Sylvicapra Taurotragus Tragelaphus and others The antelope are a group of herbivorous African animals of the family Bovidae, distinguished by a pair of hollow horns on their heads. ...