Ichthyopsida

== Translingual == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Proper noun === Ichthyopsida (in former classifications) A taxonomic taxon within the subphylum Vertebrata – amphibians, fishes, and agnathous vertebrates. (Can we verify(+) this sense?) Tetrapods whose eggs hatch in water A taxonomic superclass within the subphylum Vertebrata – tetrapods whose eggs must hatch in water. ==== Synonyms ==== Anamnia, Branchiota, Branchiotoca ==== Coordinate terms ==== Mammalia, Sauropsida (in a T. H. Huxley system) === References === William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “Ichthyopsida”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC. “Ichthyopsida”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. Ichthyopsida on Wikipedia.Wikipedia Vertebrata (classifications) on Wikispecies.Wikispecies