The Omilteme Cottontail or Omiltemi Rabbit (Sylvilagus insonus) is a cottontail rabbit found only in Sierra Madre del Sur in the state of Guerrero, Mexico, although it hasn't be recorded since the early 1960s. It is listed as a critically endangered species due to habitat loss, hunting and a restricted range. 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 - Tunicates 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... Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Eutheria (includes extinct ancestors)/Placentalia (excludes extinct ancestors) Afrosoricida Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata (extinct) Perissodactyla Pholidota Plesiadapiformes... Families Leporidae Ochotonidae The Lagomorphs, order Lagomorpha, are an order of mammals of which there are two families, Leporidae (hares and rabbits), and Ochotonidae (pikas). ... Genera Pentalagus Bunolagus Nesolagus Romerolagus Brachylagus Sylvilagus Oryctolagus Poelagus Caprolagus Pronolagus Lepus Leporids are the approximately 50 species of rabbits and hares which form the family Leporidae. ... Species Sylvilagus aquaticus Swamp Rabbit Sylvilagus auduboni Desert Cottontail Sylvilagus bachmani Brush Rabbit Sylvilagus brasiliensis Forest Rabbit Sylvilagus cunicularis Mexican Cottontail Sylvilagus dicei Dices Cottontail Sylvilagus floridanus Eastern Cottontail Sylvilagus graysoni Tres Marias Rabbit Sylvilagus insonus Omilteme Cottontail Sylvilagus mansuetus San Jose Brush Rabbit Sylvilagus nuttallii Mountain Cottontail Sylvilagus... In biology, binomial nomenclature is the formal method of naming species. ... 1904 is a leap year starting on a Friday (link will take you to calendar). ... Species Sylvilagus aquaticus Sylvilagus auduboni Sylvilagus bachmani Sylvilagus brasiliensis Sylvilagus cunicularis Sylvilagus dicei Sylvilagus floridanus Sylvilagus graysoni Sylvilagus insonus Sylvilagus mansuetus Sylvilagus nuttallii Sylvilagus palustris Sylvilagus transitionalis The cottontail rabbits (Sylvilagus) are a genus of American lagomorphs in the family Leporidae, in appearance closely similar to the wild European Rabbit... The Sierra Madre del Sur is a mountain range in southern Mexico, extending 1000 km from southern Michoacán east through Guerrero, to the Istmo de Tehuantepec in eastern Oaxaca. ... Guerrero is a state in the United Mexican States. ...