The Synodontidae is a family of fish that are frequently referred to as the "lizard fishes." 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, anemones) Placozoa (trichoplax) Subregnum Bilateria (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 See text The Actinopterygii are the ray-finned fish. ... Families Suborder Enchodontoidei Dercetidae (extinct) Cimolichthyidae (extinct) Prionolepididae (extinct) Enchodontidae (extinct) Eurypholidae (extinct) Halecidae (extinct) Apateopholidae (extinct) Ichthyotringidae (extinct) Suborder Giganturoidei Giganturidae (telescopefishes) Suborder Aulopoidei Aulopodidae (aulopus) Suborder Chlorophthalmoidei Chlorophthalmidae (greeneyes) Ipnopidae Scopelarchidae (pearleyes) Notosudidae (waryfishes) Suborder Alepisauroidei Synodontidae (lizardfishes) Pseudotrichonotidae Paralepididae (barracudinas) Anotopteridae (daggertooth) Evermannelidae (sabertooth fishes) Omosudidae Alepisauridae... A family of Ouagadougou, Burkina Faso in 1997 A family is a domestic group of people, or a number of domestic groups, typically affiliated by birth or marriage, or by comparable legal relationships including domestic partnership, adoption, surname and in some cases ownership (as was the case in the Roman... Atlantic herring, Clupea harengus: the most abundant species of fish in the world. ...