Stage of the Triassic
In the geologic timescale , the Anisian is the lower stage or earliest age of the Middle Triassic series or epoch and lasted from 247.2 million years ago until 242 million years ago.[ 7] The Anisian Age succeeds the Olenekian Age (part of the Lower Triassic Epoch) and precedes the Ladinian Age.
^ Widmann, Philipp; Bucher, Hugo; Leu, Marc; et al. (2020). "Dynamics of the Largest Carbon Isotope Excursion During the Early Triassic Biotic Recovery" . Frontiers in Earth Science . 8 (196): 196. Bibcode :2020FrEaS...8..196W . doi :10.3389/feart.2020.00196 .
^ McElwain, J. C.; Punyasena, S. W. (2007). "Mass extinction events and the plant fossil record". Trends in Ecology & Evolution . 22 (10): 548–557. doi :10.1016/j.tree.2007.09.003 . PMID 17919771 .
^
Retallack, G. J.; Veevers, J. ; Morante, R. (1996). "Global coal gap between Permian–Triassic extinctions and middle Triassic recovery of peat forming plants" . GSA Bulletin . 108 (2): 195–207. Bibcode :1996GSAB..108..195R . doi :10.1130/0016-7606(1996)108<0195:GCGBPT>2.3.CO;2 . Retrieved 2007-09-29 .
^ Payne, J. L.; Lehrmann, D. J.; Wei, J.; Orchard, M. J.; Schrag, D. P.; Knoll, A. H. (2004). "Large Perturbations of the Carbon Cycle During Recovery from the End-Permian Extinction" . Science . 305 (5683): 506–9. Bibcode :2004Sci...305..506P . doi :10.1126/science.1097023 . PMID 15273391 . S2CID 35498132 .
^ "International Chronostratigraphic Chart" (PDF) . International Commission on Stratigraphy . September 2023. Retrieved December 16, 2024 .
^ Brack, Peter; Rieber, Hans; Nicora, Alda; Mundil, Roland (December 2005). "The Global boundary Stratotype Section and Point (GSSP) of the Ladinian Stage (Middle Triassic) at Bagolino (Southern Alps, Northern Italy) and its implications for the Triassic time scale" . Episodes . 28 (4): 233–244. doi :10.18814/epiiugs/2005/v28i4/001 . Retrieved 23 December 2020 .
^ According to Gradstein et al. (2004); Brack et al. (2005) give 248 to 241 Ma