The Saint Croix Macaw (Ara autocthones) belongs to the parrots and was found on the island of Saint Croix, in the Virgin Islands. The only remains known are a sub-fossil left tibiotarsus, which has been found in the kitchen middens at Concordia, which is near Southwest Cape.^[1] Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Orthonectida (parasitic to 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... Orders Many - see section below. ... Families Cacatuidae Psittacidae Parrots or Psittacines (order Psittaciformes) includes about 353 species of bird which are generally grouped into two families: the Cacatuidae or cockatoos, and the Psittacidae or true parrots. ... Genera The true parrots are about 330 species of bird belonging to the Psittacidae, one of the two families in the biological order Psittaciformes. ... ARA may refer to: Academic Research Alliance, an organization created to involve students in scientific activities Amateur Rowing Association, the governing body of rowing in the United Kingdom American Railway Association, precursor to the Association of American Railroads Amsterdam, Rotterdam, Antwerp, used in the shipping industry Ant-based Routing Algorithm... In biology, binomial nomenclature is the formal method of naming species. ... Families Cacatuidae Psittacidae Parrots or Psittacines (order Psittaciformes) includes about 353 species of bird which are generally grouped into two families: the Cacatuidae or cockatoos, and the Psittacidae or true parrots. ... Saint Croix from space, January 1993 Saint Croix is one of the United States Virgin Islands, a United States territory, in the Caribbean. ... A fossil Ammonite Fossils (from Latin fossus, literally having been dug up) are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. ...

References

1. ^ Forshaw, Joseph M.; Cooper, William T. (1973, 1981). Parrots of the World.