- Santonian
The Santonian is a
faunal stage Cite web | url=http://www.bgs.ac.uk/Education/britstrat/timecharts/CRETAC/cretac.html | title=BGS Geological Timechart - Cretaceous | accessdate=2008-03-22 | publisher=British Geological Survey ] of theLate Cretaceous Epoch. It spans the time between 85.8 ± 0.7 mya (million years ago ) and 83.5 ± 0.7 mya.Cite web | url=http://www.stratigraphy.org/geowhen/stages/Barremian.html | title=GeoWhen Database - Barremian | accessdate=2007-12-02|quote=Version 1.1.0.]According to the ICS, its start is defied by the appearance of the inoceramid
bivalve "Cladoceramus undulatoplicatus ". Its end is marked by theextinct ion of thecrinoid "Marsupites testudinarius ".Vertebrate Fauna
†Ankylosaurs
†Ceratopsians
†Ornithopods
quamates
†Theropods (non-avian)
Flora Magnoliopsida Advanced
dicotyledon s
*Droseraceae : †"Palaeoaldrovanda "Footnotes
Wikimedia Foundation. 2010.