Osteoglossomorpha is a group of Teleostei fishes that contains: ImageMetadata File history File links Download high resolution version (1454x825, 810 KB) Arapaima gigas at the Smithsonian Zoo. ... Binomial name Arapaima gigas , The Arapaima gigas is the worlds largest freshwater fish. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Subkingdom Parazoa Porifera (sponges) Subkingdom Agnotozoa Placozoa Orthonectida Rhombozoa Subkingdom Metazoa Radiata Cnidaria Ctenophora - Comb jellies Bilateria Protostomia Acoelomorpha Platyhelminthes - Flatworms Nemertina - Ribbon worms Gastrotricha Gnathostomulida - Jawed worms Micrognathozoa Rotifera - Rotifers Acanthocephala Priapulida Kinorhyncha Loricifera Entoprocta Nematoda - Roundworms Nematomorpha - Horsehair worms Cycliophora Mollusca - Mollusks Sipuncula - Peanut worms Annelida - Segmented... 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 See text The Actinopterygii are the ray-finned fish. ... Families Heterotididae Pantopontidae (butterflyfishes) Singidididae (extinct) Osteoglossidae ( arowana) Ostariostomidae (extinct) Notopteridae (featherfin knifes) Gymnarchidae Mormyridae (elephantfishes) Osteoglossiformes (Lat. ... Families Hiodontidae (mooneyes) Hiodontiformes is a relatively new order of fish, consisting of the two living species of the mooneye family Hiodontidae and three genera of extinct types. ... Orders See text The Actinopterygii are the ray-finned fish. ...
The Osteoglossomorpha are a teleostean superorder defined by Greenwood, Rosen, Weitzman, and Myers in 1966.
Recent study suggests that †Lycopteridae are stem-group osteoglossomorphs, sister to all extant clades of the Osteoglossomorpha (Li and Wilson, 1996a, in press).
Greenwood (1973) suggested a sister-group relationship between Osteoglossomorpha and Clupeomorpha, whereas Patterson and Rosen (1977), Lauder and Liem (1983), and J. Nelson (1994) considered Osteoglossomorpha to be the most primitive living teleosts.
On the other hand, there is only a single study that analysed the phylogenetic relationship of the osteoglossids based on all genes present in the mitochondrial genomes [41] but the Asian arowana was not included as its complete mitogenomic sequence was not available.
In addition the proximity of Osteoglossomorpha clade to that of basal teleost clades in our study further supports the position of osteoglossids among the early branches of living teleosts' stem lineages (see e.g.
Scott DBC, Fuller JD: The reproductive biology of Scleropages formosus (Muller and Schlegel) (Osteoglossomorpha, Osteoglossidae) in Malaya, and the morphology of its pituitary gland.
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