Olson's Extinction was a mass extinction that occurred 273 million years ago in the late Cisuralian or early Guadalupian epoch of the Permian period, predating...

called Olson's Gap because it was thought to be a problem in preservation of fossils. Since the 1990s it has been renamed Olson's Extinction. This extinction...

PMC 5958880. PMID 29780669. Brocklehurst, Neil (10 June 2020). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

ISSN 0962-8452. PMC 5394676. Brocklehurst, Neil (10 June 2020). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

ISSN 0962-8452. PMC 5394676. Brocklehurst, Neil (10 June 2020). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

PMC 5958880. PMID 29780669. Brocklehurst, Neil (10 June 2020). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

mass extinction occurred after Olson's Extinction and before the Permian–Triassic extinction event, the exact age of the Capitanian mass extinction remains...

PMC 5601472. PMID 28916787. Brocklehurst, Neil (2020-06-10). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

pelycosaurs, at the end of the Early Permian during the so-called Olson's Extinction. Synapsids were the largest terrestrial vertebrates in the Permian...

division in two biozones: zone of Rausserella zone of Afganella schenki Olson’s Extinction, in the early Guadalupian (Roadian, Wordian), led to an extended period...

this event was preceded by another mass extinction, known as Olson's Extinction. The Cretaceous–Paleogene extinction event (K–Pg) occurred 66 million years...

known as the P–T extinction event, the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially...

The Cretaceous–Paleogene (K–Pg) extinction event, also known as the K–T extinction, was the mass extinction of three-quarters of the plant and animal...

therapsids must have occurred called Olson’s Extinction. With the general absence of therapsid remains from Olson's Extinction, different hypotheses have developed...

biozones: Zone of Afganella tereshkovae Zone of Neoschwagerina tenuis Olson’s Extinction, a worldwide loss of terrestrial vertebrate life occurred during the...

Michael O.; Rubidge, Bruce S.; Fröbisch, Jörg (12 April 2017). "Olson's Extinction and the latitudinal biodiversity gradient of tetrapods in the Permian"...

The Holocene extinction, also referred to as the Anthropocene extinction or the sixth mass extinction, is an ongoing extinction event caused exclusively...

Permian–Triassic extinction event, where over 95% of species went extinct. The series follows the Guadalupian, which ended with the Capitanian mass extinction, during...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Triassic–Jurassic (Tr-J) extinction event...

De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct...

CO;2. ISSN 0016-7606. Brocklehurst, Neil (10 June 2020). "Olson's Gap or Olson's Extinction? A Bayesian tip-dating approach to resolving stratigraphic...

the end-Ordovician mass extinction or the Ordovician–Silurian extinction, is the first of the "big five" major mass extinction events in Earth's history...

(Early Triassic epoch). The greatest mass extinction in the Phanerozoic eon, the Permian–Triassic extinction event, occurred around the end of this age...

Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid...

pelycosaur-grade to therapsid-grade took place during the Middle Permian (Olson's Extinction); however, the classification of those "therapsids" and the age of...

though it still exists elsewhere. Local extinctions are contrasted with global extinctions. Local extinctions mark a change in the ecology of an area...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Late Devonian mass extinction, also known...

The Voluntary Human Extinction Movement (VHEMT) is an environmental movement that calls for all people to abstain from reproduction in order to cause the...

genus of synapsids Edaphosaurus – Extinct genus of synapsids Olson's Extinction — an extinction event that wiped out most of the pelycosaurian synapsids,...

The Late Pleistocene to the beginning of the Holocene saw the extinction of the majority of the world's megafauna (typically defined as animal species...