Extant — may refer to: * Extant taxon, a taxon which is not extinct, such as an extant species. * Extant literature, surviving literature, such as Beowulf , the oldest extant manuscript written in English * Hank Hall, also known as Extant, the DC Comics… … Wikipedia
extant — currently alive as applied to a taxon or of a specimen meaning still in existence. Opposite of extinct in the former case … Dictionary of ichthyology
Lazarus taxon — In paleontology, a Lazarus taxon (plural taxa ) is a taxon that disappears from one or more periods of the fossil record, only to appear again later. The term refers to the account in the Gospel of John chapter 11 in which Jesus miraculously… … Wikipedia
Proterochampsidae — Taxobox fossil range = Middle Triassic (Ladinian) Late Triassic (Carnian) image width = 250px image caption = Proterochampsa regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Unspecified familia = Proterochampsidae familia authority … Wikipedia
Guadalupe Caracara — Taxobox name = Guadalupe Caracara status = EX status system = iucn3.1 extinct = 1900 or 1903 image width = 200px regnum = Animalia phylum = Chordata classis = Aves subclassis = Neornithes ordo = Falconiformes familia = Falconidae subfamilia =… … Wikipedia
List of extinct birds — This page refers only to birds that have gone extinct since the year 1500 A.D./C.E. and usually were subject to scientific study while alive.Since 1500, over 190 species of birds have become extinct, and this rate of extinction seems to be… … Wikipedia
Leatherback turtle — Taxobox name = Leatherback Sea Turtle status = CR status system = iucn2.3 image width = 250px regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Testudines subordo = Cryptodira familia = Dermochelyidae familia authority = Fitzinger,… … Wikipedia
Cladistics — For the scientific journal, see Cladistics (journal). Part of a series on Evolutionary Biology … Wikipedia
Plateosaurus — Unikonta Plateosaurus Temporal range: Triassic, 216–199 Ma … Wikipedia
Onychophora — Temporal range: 40–0 Ma … Wikipedia
