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Aptian

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  • apţian — APŢIÁN, Ă apţieni, e, s.n., adj. (geol.) 1. s.n. Ultimul etaj al cretacicului inferior. 2. adj. Care aparţine apţianului (1), privitor la apţian. [pr.: ţi an] – Din fr. aptien. Trimis de baron, 13.09.2007. Sursa: DEX 98  apţián …   Dicționar Român

  • Aptian — stage is a faunal stage of the Early Cretaceous epoch in the geologic timescale, that extends from 125.0 ± 1.0 Ma to 112.0 ± 1.0 Ma (million years ago), approximately. The Aptian stage succeeds the Barremian stage and precedes the Albian stage,… …   Wikipedia

  • aptian — apt·i·an …   English syllables

  • aptian — ˈaptēən, psh(ē)ən adjective Usage: usually capitalized Etymology: French aptien, from Apt, commune near Avignon, France + French ien ian : of or relating to a subdivision of the European Lower Cretaceous see geologic time table …   Useful english dictionary

  • Aptian extinction — The Aptian extinction was an extinction event of the early Cretaceous Period. It is dated to c. 116 or 117 million years ago, in the middle of the Aptian stage of the geological time scale, and has sometimes been termed the mid Aptian extinction… …   Wikipedia

  • Aptian Stage — ▪ geology       fifth of six main divisions (in ascending order) in the Lower Cretaceous Series, representing rocks deposited worldwide during the Aptian Age, which occurred 125 to 112 million years ago during the Cretaceous Period. Rocks of the… …   Universalium

  • Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… …   Universalium

  • Species of Psittacosaurus — Seventeen species have been assigned to the extinct ceratopsian dinosaur genus Psittacosaurus , although only nine to eleven are considered valid.Xu Xing Zhao Xijin. (1999). Psittacosaur fossils and their stratigraphical implications. In: Wang Y …   Wikipedia

  • Acrocanthosaurus — Taxobox| name = Acrocanthosaurus fossil range = Early Cretaceous image caption = Acrocanthosaurus skull, North Carolina Museum of Natural Sciences. regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo = Saurischia… …   Wikipedia

  • Brasileodactylus — Taxobox name = Brasileodactylus status = fossil fossil range = Early Cretaceous regnum = Animalia phylum = Chordata classis = Sauropsida ordo = Pterosauria subordo = Pterodactyloidea familia = Ornithocheiridae genus = Brasileodactylus binomial =… …   Wikipedia

  • Deinonychus — This article is about the dinosaur. For the Dutch doom metal group, see Deinonychus (band). Vertebrata Deinonychus Temporal range: Early Cretaceous, 115–108 Ma …   Wikipedia


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