Jackson Wheat | Our Precambrian Ancestors @JacksonWheat | Uploaded April 2020 | Updated October 2024, 7 hours ago.
A discussion of Precambrian bilaterians. At 3:05 I was discussing animals, but due to the paucity of Cryogenian animal fossils, I showed some Neoproterozoic acritarchs (either protists or small animals) instead. All pictures are from Google.
“The Cambrian Explosion Pt. 1”: youtu.be/c9l4msxHFc0
“The Cambrian Explosion Pt. 2”: youtu.be/5jbNz2a6SpQ
“The Cambrian Conundrum: Early Divergence and Later Ecological Success in the Early History of Animals”: https://repository.si.edu/bitstream/handle/10088/17621/paleo_Erwin_et_al_Cambrian_Conundrum_2011.pdf?sequence=1&isAllowed=y
“The two phases of the Cambrian Explosion”: nature.com/articles/s41598-018-34962-y
“Darwin’s Confidence Pt. 1”: youtu.be/nrflb-eQFag
“Teaching PragerU About Biology”: youtu.be/LNsh4a5IEjg
“It's a protist-eat-protist world: recalcitrance, predation, and evolution in the Tonian–Cryogenian ocean”: portlandpress.com/emergtoplifesci/article-abstract/2/2/173/77328/It-s-a-protist-eat-protist-world-recalcitrance?redirectedFrom=fulltext
“Snowball Earth climate dynamics and Cryogenian geology-geobiology”: advances.sciencemag.org/content/3/11/e1600983?rss\u003d1
“Uncertainty in the Timing of Origin of Animals and the Limits of Precision in Molecular Timescales”: sciencedirect.com/science/article/pii/S096098221501177X
“Dating early animal evolution using phylogenomic data”: nature.com/articles/s41598-017-03791-w
“Taphonomy”: youtu.be/uaGTrvYG6C8
“Ediacaran biozones identified with network analysis provide evidence for pulsed extinctions of early complex life”: nature.com/articles/s41467-019-08837-3.pdf?origin=ppub
“Systematic description of putative animal fossils from the early Ediacaran Lantian Formation of South China”: researchgate.net/profile/Bin_Wan3/publication/301758397_Systematic_description_of_putative_animal_fossils_from_the_early_Ediacaran_Lantian_Formation_of_South_China/links/5c74b1eba6fdcc47159c01a2/Systematic-description-of-putative-animal-fossils-from-the-early-Ediacaran-Lantian-Formation-of-South-China.pdf
“Sponge grade body fossil with cellular resolution dating 60 Myr before the Cambrian”: pnas.org/content/112/12/E1453
“Haootia quadriformis n. gen., n. sp., interpreted as a muscular cnidarian impression from the Late Ediacaran period (approx. 560 Ma)”: royalsocietypublishing.org/doi/10.1098/rspb.2014.1202
“The origin of the animals and a ‘Savannah’ hypothesis for early bilaterian evolution”: onlinelibrary.wiley.com/doi/pdf/10.1111/brv.12239
“Ancestral state reconstruction of ontogeny supports a bilaterian affinity for Dickinsonia”: researchgate.net/profile/David_Jacobs5/publication/283688707_Ancestral_state_reconstruction_of_ontogeny_supports_a_bilaterian_affinity_for_Dickinsonia/links/5a8736d10f7e9b1a954cc3c0/Ancestral-state-reconstruction-of-ontogeny-supports-a-bilaterian-affinity-for-Dickinsonia.pdf
“The most probable Eumetazoa among late Precambrian macrofossils”: kmkjournals.com/upload/PDF/IZ/IZ%20Vol%2014/invert14_2_127_133_Ivantsov.pdf
“Discovery of the oldest bilaterian from the Ediacaran of South Australia”: pnas.org/content/early/2020/03/17/2001045117
“Ediacaran distributions in space and time: testing assemblage concepts of earliest macroscopic body fossils”: cambridge.org/core/journals/paleobiology/article/ediacaran-distributions-in-space-and-time-testing-assemblage-concepts-of-earliest-macroscopic-body-fossils/57AC111D4FA52AC4DECC56A1E489F621
“Death march of a segmented and trilobate bilaterian elucidates early animal evolution”: researchgate.net/profile/Shuhai_Xiao/publication/335618680_Death_march_of_a_segmented_and_trilobate_bilaterian_elucidates_early_animal_evolution/links/5dc1843c299bf1a47b18a490/Death-march-of-a-segmented-and-trilobate-bilaterian-elucidates-early-animal-evolution.pdf
“Diverse biomineralizing animals in the terminal Ediacaran Period herald the Cambrian explosion”: researchgate.net/profile/Yaoping_Cai/publication/331416998_Diverse_biomineralizing_animals_in_the_terminal_Ediacaran_Period_herald_the_Cambrian_explosion/links/5c9209efa6fdccd4602c10d3/Diverse-biomineralizing-animals-in-the-terminal-Ediacaran-
“The Latest Ediacaran Wormworld Fauna: Setting the Ecological Stage for the Cambrian Explosion”: geosociety.org/gsatoday/archive/26/11/pdf/i1052-5173-26-11-4.pdf
“Biotic replacement and mass extinction of the Ediacara biota”: royalsocietypublishing.org/doi/full/10.1098/rspb.2015.1003
A discussion of Precambrian bilaterians. At 3:05 I was discussing animals, but due to the paucity of Cryogenian animal fossils, I showed some Neoproterozoic acritarchs (either protists or small animals) instead. All pictures are from Google.
“The Cambrian Explosion Pt. 1”: youtu.be/c9l4msxHFc0
“The Cambrian Explosion Pt. 2”: youtu.be/5jbNz2a6SpQ
“The Cambrian Conundrum: Early Divergence and Later Ecological Success in the Early History of Animals”: https://repository.si.edu/bitstream/handle/10088/17621/paleo_Erwin_et_al_Cambrian_Conundrum_2011.pdf?sequence=1&isAllowed=y
“The two phases of the Cambrian Explosion”: nature.com/articles/s41598-018-34962-y
“Darwin’s Confidence Pt. 1”: youtu.be/nrflb-eQFag
“Teaching PragerU About Biology”: youtu.be/LNsh4a5IEjg
“It's a protist-eat-protist world: recalcitrance, predation, and evolution in the Tonian–Cryogenian ocean”: portlandpress.com/emergtoplifesci/article-abstract/2/2/173/77328/It-s-a-protist-eat-protist-world-recalcitrance?redirectedFrom=fulltext
“Snowball Earth climate dynamics and Cryogenian geology-geobiology”: advances.sciencemag.org/content/3/11/e1600983?rss\u003d1
“Uncertainty in the Timing of Origin of Animals and the Limits of Precision in Molecular Timescales”: sciencedirect.com/science/article/pii/S096098221501177X
“Dating early animal evolution using phylogenomic data”: nature.com/articles/s41598-017-03791-w
“Taphonomy”: youtu.be/uaGTrvYG6C8
“Ediacaran biozones identified with network analysis provide evidence for pulsed extinctions of early complex life”: nature.com/articles/s41467-019-08837-3.pdf?origin=ppub
“Systematic description of putative animal fossils from the early Ediacaran Lantian Formation of South China”: researchgate.net/profile/Bin_Wan3/publication/301758397_Systematic_description_of_putative_animal_fossils_from_the_early_Ediacaran_Lantian_Formation_of_South_China/links/5c74b1eba6fdcc47159c01a2/Systematic-description-of-putative-animal-fossils-from-the-early-Ediacaran-Lantian-Formation-of-South-China.pdf
“Sponge grade body fossil with cellular resolution dating 60 Myr before the Cambrian”: pnas.org/content/112/12/E1453
“Haootia quadriformis n. gen., n. sp., interpreted as a muscular cnidarian impression from the Late Ediacaran period (approx. 560 Ma)”: royalsocietypublishing.org/doi/10.1098/rspb.2014.1202
“The origin of the animals and a ‘Savannah’ hypothesis for early bilaterian evolution”: onlinelibrary.wiley.com/doi/pdf/10.1111/brv.12239
“Ancestral state reconstruction of ontogeny supports a bilaterian affinity for Dickinsonia”: researchgate.net/profile/David_Jacobs5/publication/283688707_Ancestral_state_reconstruction_of_ontogeny_supports_a_bilaterian_affinity_for_Dickinsonia/links/5a8736d10f7e9b1a954cc3c0/Ancestral-state-reconstruction-of-ontogeny-supports-a-bilaterian-affinity-for-Dickinsonia.pdf
“The most probable Eumetazoa among late Precambrian macrofossils”: kmkjournals.com/upload/PDF/IZ/IZ%20Vol%2014/invert14_2_127_133_Ivantsov.pdf
“Discovery of the oldest bilaterian from the Ediacaran of South Australia”: pnas.org/content/early/2020/03/17/2001045117
“Ediacaran distributions in space and time: testing assemblage concepts of earliest macroscopic body fossils”: cambridge.org/core/journals/paleobiology/article/ediacaran-distributions-in-space-and-time-testing-assemblage-concepts-of-earliest-macroscopic-body-fossils/57AC111D4FA52AC4DECC56A1E489F621
“Death march of a segmented and trilobate bilaterian elucidates early animal evolution”: researchgate.net/profile/Shuhai_Xiao/publication/335618680_Death_march_of_a_segmented_and_trilobate_bilaterian_elucidates_early_animal_evolution/links/5dc1843c299bf1a47b18a490/Death-march-of-a-segmented-and-trilobate-bilaterian-elucidates-early-animal-evolution.pdf
“Diverse biomineralizing animals in the terminal Ediacaran Period herald the Cambrian explosion”: researchgate.net/profile/Yaoping_Cai/publication/331416998_Diverse_biomineralizing_animals_in_the_terminal_Ediacaran_Period_herald_the_Cambrian_explosion/links/5c9209efa6fdccd4602c10d3/Diverse-biomineralizing-animals-in-the-terminal-Ediacaran-
“The Latest Ediacaran Wormworld Fauna: Setting the Ecological Stage for the Cambrian Explosion”: geosociety.org/gsatoday/archive/26/11/pdf/i1052-5173-26-11-4.pdf
“Biotic replacement and mass extinction of the Ediacara biota”: royalsocietypublishing.org/doi/full/10.1098/rspb.2015.1003
