The dollarbird (Eurystomus orientalis) is a bird of the roller family, so named because of the silver-dollar sized spots on its wings. 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 Many - see section below. ... Families Alcedinidae Halcyonidae Cerylidae Brachypteraciidae Coraciidae Leptosomidae Meropidae Momotidae Todidae Bucerotidae Upupidae Phoeniculidae The Coraciiformes are a group of usually colourful near passerine birds including the kingfishers, the Hoopoe, the bee-eaters, the rollers, and the hornbills. ... The word roller can mean:- Some species of birds: see hereinunder. ... Species Eurystomus is a genus of the roller family of birds. ... In biology, binomial nomenclature is a standard convention used for naming species. ... Orders Many - see section below. ... The word roller can mean:- Some species of birds: see hereinunder. ... The dollar (represented by the symbol $) is the name of the official currency in several countries, dependencies and other regions (see list, below). ...

It has a length of up to 30cm, and can be found in East Asia, from northern Australia to the Japanese archipelago. World map showing location of Asia Asia is the central and eastern part of the continent of Eurasia, defined by subtracting the European peninsula from Eurasia. ...