Aptian


Aptian

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, all in the same epoch.

Invertebrate Fauna

Ammonitida

*Pictetia
*Eogaudryceras
*Georgioceras
*Lithancylus
*Salfeldiella
*Zuercherella

Lower

*Eotetragonites
*Pseudosaynella
*Roloboceras
*Helicancylus
*Procheloniceras
*Prodeshayesites
*Shastoceras
*Ammonitoceras
*Australiceras
*Cheloniceras
*Cicatrites
*Colombiceras
*Dufrenoya
*Melchiorites
*Parahoplites

Upper

*Hypacanthoplites
*Sinzovia
*Trochleiceras
*Mathoceratites
*Metahamites
*Neosilesites
*Protanisoceras
*Ammonoceratites
*Beudanticeras
*Gyaloceras
*Hulenites
*Knemiceras
*Uhligella
*Acanthohoplites
*Acanthoplites
*Argonauticeras
*Burckhardites
*Cloioceras
*Diadochoceras
*Diodochoceras
*Eodouvilleiceras
*Epancyloceras
*Epicheloniceras
*Gargasiceras
*Jauberticeras
*Kazanskyella
*Mathoceras
*Megatyloceras
*Miyakoceras
*Nodosohoplites
*Nolaniceras
*Protacanthoplites
*Somalites
*Theganoceras
*Tropaeum
*Gabbioceras
*Tetragonites
*Desmoceras
*Hamites

Belemnitida

*Vectibelus
*Conoteuthis

Lower

*Tetrabelus
*Peratobelus
*Parahibolites

Nautilida

*Heminautilus
*Carinonautilus

Orthocerida

Upper

*Zhuralevia

Phylloceratida

Upper

*Euphylloceras

Sepiida

Upper

*Adygeya
*Naefia

Vertebrate Fauna

Ankylosaurs

Crocodylomorpha

*Sarcosuchus

Fish

*Hybodus
*Jinanichthys longicephalus
*Lycoptera davidi
*Lycoptera muroii
*Peipiaosteus pani
*Protosephurus liui
*Sinamia zdanskyi

Mammalia

Pterosaurs

*Anhanguera
*Araripedactylus dehmi
*Araripesaurus castilhoi
*Arthurdactylus conandoylei
*Boreopterus cuiae
*Brasileodactylus araripensis
*Cearadactylus atrox
*Chaoyangopterus zhangi
*Dsungaripterus weii
*Dsungaripterus brancai
*Eoazhdarcho liaoxiensis
*Eopteranodon lii
*Gegepterus changi
*Haopterus gracilis
*Hongshanopterus lacustris
*Huaxiapterus benxiensis
*Huaxiapterus corollatus
*Huaxiapterus jii
*Istiodactylus latidens
*Istiodactylus sinensis
*Jidapterus edentus
*Liaoningopterus gui
*Liaoxipterus brachyognathus
*Lonchodectes
*Longchengpterus zhaoi
*Ludodactylus sibbicki
*Nemicolopterus crypticus
*Nurhachius ignaciobritoi
*Ornithocheirus simus
*Ornithocheirus mesembrinus
*Pricesaurus megalodon
*Santanadactylus
*Sinopterus dongi
*Sinopterus gui
*Tapejara navigans
*Tapejara wellnhoferi
*Thalassodromeus sethi
*Tropeognathus mesembrinus
*Tropeognathus robustus
*Tupandactylus imperator

Sauropods

Geologic Formations

Antlers Formation, Cedar Mountain Formation, Cloverly Formation, Elrhaz Formation, Jiufotang Formation, Little Atherfield, Mazong Shan, Potomac Formation, Santana Formation, Twin Mountains Formation, Xinminbao Group, Yixian Formation

ee also

* List of fossil sites "(with link directory)"

References

* [http://www.stratigraphy.org/geowhen/stages/Aptian.html The International Commission on Stratigraphy]


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Look at other dictionaries:

  • 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 — 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

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