![Matthew Clapham on X: "@LenaDoesScience @gsciencelady This obviously calls for the *official* tier ranking of geological time periods. https://t.co/XX1EFFLH08" / X Matthew Clapham on X: "@LenaDoesScience @gsciencelady This obviously calls for the *official* tier ranking of geological time periods. https://t.co/XX1EFFLH08" / X](https://pbs.twimg.com/media/EfPy3BYUwAAJy6r.png)
Matthew Clapham on X: "@LenaDoesScience @gsciencelady This obviously calls for the *official* tier ranking of geological time periods. https://t.co/XX1EFFLH08" / X
![PDF) Estimating spatial variation in origination and extinction in deep time: a case study using the Permian-Triassic marine invertebrate fossil record PDF) Estimating spatial variation in origination and extinction in deep time: a case study using the Permian-Triassic marine invertebrate fossil record](https://i1.rgstatic.net/publication/368395814_Estimating_spatial_variation_in_origination_and_extinction_in_deep_time_a_case_study_using_the_Permian-Triassic_marine_invertebrate_fossil_record/links/64352756609c170a130bb3db/largepreview.png)
PDF) Estimating spatial variation in origination and extinction in deep time: a case study using the Permian-Triassic marine invertebrate fossil record
![PDF] Understanding mechanisms for the end-Permian mass extinction and the protracted Early Triassic aftermath and recovery | Semantic Scholar PDF] Understanding mechanisms for the end-Permian mass extinction and the protracted Early Triassic aftermath and recovery | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/10aa6aceeab6bc0f342764c2689dd214ad8ccf3e/2-Figure1-1.png)
PDF] Understanding mechanisms for the end-Permian mass extinction and the protracted Early Triassic aftermath and recovery | Semantic Scholar
![Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download](https://images.slideplayer.com/26/8773238/slides/slide_2.jpg)
Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download
![Global patterns of insect diversification: towards a reconciliation of fossil and molecular evidence? – topic of research paper in Biological sciences. Download scholarly article PDF and read for free on CyberLeninka open Global patterns of insect diversification: towards a reconciliation of fossil and molecular evidence? – topic of research paper in Biological sciences. Download scholarly article PDF and read for free on CyberLeninka open](https://cyberleninka.org/viewer_images/1462846/f/1.png)
Global patterns of insect diversification: towards a reconciliation of fossil and molecular evidence? – topic of research paper in Biological sciences. Download scholarly article PDF and read for free on CyberLeninka open
![PDF) WUCHIAPINGIAN (LOPINGIAN, LATE PERMIAN) BRACHIOPODS FROM THE EPISKOPI FORMATION OF HYDRA ISLAND, GREECE | Matthew E Clapham - Academia.edu PDF) WUCHIAPINGIAN (LOPINGIAN, LATE PERMIAN) BRACHIOPODS FROM THE EPISKOPI FORMATION OF HYDRA ISLAND, GREECE | Matthew E Clapham - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/31504591/mini_magick20190426-7251-1u31qr1.png?1556272353)
PDF) WUCHIAPINGIAN (LOPINGIAN, LATE PERMIAN) BRACHIOPODS FROM THE EPISKOPI FORMATION OF HYDRA ISLAND, GREECE | Matthew E Clapham - Academia.edu
![Studying oxygen in Earth's oceans, ASU scientists discover clues to recovery from mass extinction | ASU News Studying oxygen in Earth's oceans, ASU scientists discover clues to recovery from mass extinction | ASU News](https://news.asu.edu/sites/default/files/styles/asu_news_article_hero/public/article_heros/alexa_scholl_0.jpeg?itok=q7cF6w7S)
Studying oxygen in Earth's oceans, ASU scientists discover clues to recovery from mass extinction | ASU News
![Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download](https://slideplayer.com/8773238/26/images/slide_1.jpg)
Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download
![PDF] Extinction selectivity among marine fishes during multistressor global change in the end-Permian and end-Triassic crises | Semantic Scholar PDF] Extinction selectivity among marine fishes during multistressor global change in the end-Permian and end-Triassic crises | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/9ed3ef4d56725d78ba21950081febd44e06ec5f1/2-Figure1-1.png)
PDF] Extinction selectivity among marine fishes during multistressor global change in the end-Permian and end-Triassic crises | Semantic Scholar
![Paleogeographic map and stratigraphy of Colorado Plateau region during... | Download Scientific Diagram Paleogeographic map and stratigraphy of Colorado Plateau region during... | Download Scientific Diagram](https://www.researchgate.net/publication/221852175/figure/fig8/AS:669644251734048@1536667039921/Paleogeographic-map-and-stratigraphy-of-Colorado-Plateau-region-during-Late-Triassic-A.png)
Paleogeographic map and stratigraphy of Colorado Plateau region during... | Download Scientific Diagram
![PDF) Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian) | Matthew E Clapham - Academia.edu PDF) Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian) | Matthew E Clapham - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/31504597/mini_magick20190426-1465-80epb6.png?1556272351)
PDF) Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian) | Matthew E Clapham - Academia.edu
![Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download](https://images.slideplayer.com/26/8773238/slides/slide_3.jpg)
Matthew E. Clapham University of California, Santa Cruz Disparity trends in the shell coiling shape of ammonoids. - ppt download
![Matthew E. Clapham's research works | University of California, Santa Cruz, California (UCSC) and other places Matthew E. Clapham's research works | University of California, Santa Cruz, California (UCSC) and other places](https://www.researchgate.net/profile/Daniel-Killam/publication/354129906/figure/fig1/AS:1065833690312704@1631125962615/A-comparison-of-fossil-and-modern-nitrogen-isotope-values-B-comparison-of-fossil_Q320.jpg)
Matthew E. Clapham's research works | University of California, Santa Cruz, California (UCSC) and other places
![Mean species richness for collections containing silicified fossils... | Download Scientific Diagram Mean species richness for collections containing silicified fossils... | Download Scientific Diagram](https://www.researchgate.net/profile/Matthew-Clapham/publication/251119375/figure/fig3/AS:669067396526080@1536529506100/Mean-species-richness-for-collections-containing-silicified-fossils-solid-line-and_Q320.jpg)