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The event is almost always called the Cretaceous–Tertiary extinction event. Geoffrey.landis (talk) 01:38, 4 October 2016 (UTC)
The early part of the Tertiary is now officially called the Paleogene. Older scientific texts did refer to "Cretaceous-Tertiary" but this would be regarded as obsolete/incorrect if it were to be used now. GeoWriter (talk) 12:19, 21 November 2016 (UTC)
Can we have a source for the fact that K-T would be incorrect, or obsolete? I heard a geology professor go on at great length about it just today. Thanks. BeenAroundAWhile (talk) 22:25, 11 December 2017 (UTC)
It is correct that ICS now discourages the use of the word Tertiary, but Cretaceous-Tertiary is not generally considered incorrect or obsolete. A search on Google Scholar for articles published in 2017 shows 1560 hits for "Cretaceous-Tertiary" and 1340 for "Cretaceous–Paleogene". The older term is thus still more popular even in scholarly sources. Dudley Miles (talk) 23:24, 11 December 2017 (UTC)
A recent BBC TV programme argued that the location of the impact in an area rich in sulphur and gypsum was crucial, and if the impact had occurred a few minutes earlier or later it would have been in the deep ocean, and the effects would not have been catastrophic. The dinosaurs would have survived and humans would not have evolved. See [1]. Does anyone know of an RS on this? Dudley Miles (talk) 09:36, 18 July 2017 (UTC)
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The section on mammals is badly dated. ' Diversification of mammals stalled across the boundary.[citation from 2007] Current research indicates that mammals did not explosively diversify across the K–Pg boundary, despite the environment niches made available by the extinction of dinosaurs.[citation from 2003].' This is no longer the consensus. Instead diversification rates increased to around 3 times pre-event levels: Halliday, Upchurch, and Goswamil, Proceedings Biological Science, 2016 Jun 29; 283(1833): 20153026. doi: 10.1098/rspb.2015.3026, "Eutherians experienced elevated evolutionary rates in the immediate aftermath of the Cretaceous–Palaeogene mass extinction". https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4936024/ . Other evidence corroborates. The idea that the CT event had little impact on mammal evolution rates is no longer viable. — Preceding unsigned comment added by 208.80.117.214 (talk) 06:16, 6 July 2018 (UTC)