Mass Extinction Timeline by Maya Woeger https://padlet.com/mwoeger01/78oes6kw3l98luw1 Timeline of Mass Extinction Events en-us 2021-01-13 16:03:54 UTC 2025-09-30 14:38:28 UTC hello@padlet.com The Cretaceous-Tertiary Extinction mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083644697 65 million years ago ]]> 2021-01-13 16:07:06 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083644697 The End Triassic Extinction mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083647039 210 million years ago]]> 2021-01-13 16:07:33 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083647039 The Permian-Triassic Extinction mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083648625 250 Million years ago]]> 2021-01-13 16:07:53 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083648625 The Late Devonian Extinction mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083650940 365 Million Years ago
Over a period of 500,000 to 25 million years... nobody knows yet]]> 2021-01-13 16:08:20 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083650940 The Ordovician -Silurian Extinction mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083654613 445 - 415 Million Years ago ]]> 2021-01-13 16:09:03 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083654613 The 6th Extinction (The Holocene Extinction) mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083656033 literally now]]> 2021-01-13 16:09:20 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083656033 85% of all species are extinct mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083749893 2021-01-13 16:26:39 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083749893 Extinct Species: Trilobites mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083767283 2021-01-13 16:29:53 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083767283 Extinct Species: Brachiopods mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083776621 2021-01-13 16:31:41 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083776621 Cause (abiotic): mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083788240 Big Drop in global temperature led to Influx of Glaciers led to Falls in Sea Levels]]> 2021-01-13 16:33:33 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083788240 Global Cooling (Ice Age) mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083839289 2021-01-13 16:42:54 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083839289 70% of all species are extinct mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083853703 2021-01-13 16:45:36 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083853703 Extinct Species: Ammonites mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083856015 2021-01-13 16:46:03 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083856015 Extinct Species: placoderm fish mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083856770 2021-01-13 16:46:11 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083856770 Cause (abiotic): mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083857929 Global Drop in Temperature (due to asteroid or super volcano) 
It could also be plant life taking over and causing global cooling... (biotic) ]]> 2021-01-13 16:46:21 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083857929 Global Cooling (Ice Age) mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083859670 2021-01-13 16:46:40 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1083859670 95% of marine species extinct mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337295 70% of terrestrial species extinct ]]> 2021-01-13 23:43:47 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337295 Extinct Species: Dicynodonts mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337479 2021-01-13 23:43:56 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337479 Extinct Species: Diictodon mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337739 2021-01-13 23:44:09 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085337739 Cause (abiotic): mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085338025 Global warming due to volcanic activity, causing Hyperoxia and Anoxia]]> 2021-01-13 23:44:21 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085338025 Global Warming and Volcanic Activity mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085338325 2021-01-13 23:44:37 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085338325 76% of all species extinct mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339097 2021-01-13 23:45:11 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339097 Extinct Species: Conodonts mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339361 2021-01-13 23:45:24 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339361 Extinct Species: Archosaurs mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339558 2021-01-13 23:45:33 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085339558 Cause: mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085340198 Volcanic Activity lead to CO2 levels rising led to Global Warming]]> 2021-01-13 23:45:50 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085340198 Global Warming mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085340278 2021-01-13 23:45:54 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085340278 75% of all species extinct mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341010 2021-01-13 23:46:23 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341010 Extinct Species: Plesiosaur mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341098 2021-01-13 23:46:28 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341098 Extinct Species: Pterosaur mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341291 2021-01-13 23:46:38 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085341291 Cause(abiotic): mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085342887 Impact Crater leads to winter
Volcanic Eruption leads to Global warming]]> 2021-01-13 23:47:41 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085342887 Asteroid Impact mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085343491 2021-01-13 23:48:11 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085343491 100-250 species dead per year mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085387828 2021-01-14 00:18:54 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085387828 Extinct Species: Alagoas foliage - gleaner mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085388702 Declared extinct 2019]]> 2021-01-14 00:19:34 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085388702 Extinct Species: Spix's Macaw mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085389167 Declared Extinct in the wild 2018]]> 2021-01-14 00:19:43 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085389167 Causes (biotic + abiotic): mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085390225 - Rising CO2 levels 
- Habitat Destruction
- Invasive species 
- Pollution
- Over-Harvesting.. 
Most of which are caused by humans... ]]> 2021-01-14 00:20:20 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085390225 Global Warming mwoeger01 https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085392190 2021-01-14 00:21:36 UTC https://padlet.com/mwoeger01/78oes6kw3l98luw1/wish/1085392190