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Showing results for tags 'desmostylians'.
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Teachers find fossils of extinct hippo-like mammals on the Oregon Coast
Oxytropidoceras posted a topic in Fossil News
Teachers find fossils of extinct hippo-like mammals on the Oregon Coast John Ross Ferrara, KION6-News, Version 1, April 9, 2024 Teachers find fossils of extinct hippo-like mammals on the Oregon Coast John Ross Ferrara, KION6-News, Version 2, April 9, 2024 Yorus, Paul H.- 1 reply
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2023 in review - this year's advances in marine mammal paleontology!
Boesse posted a topic in General Fossil Discussion
Hi all - I've just completed my 11th annual roundup of all of this year's peer-reviewed articles in marine mammal paleontology. Lots of important new studies on fossil toothed whales! Links to the publisher/journal page are provided with each entry. Read it here: https://coastalpaleo.blogspot.com/2023/12/2023-in-review-advances-in-marine.html-
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Regarding the geographic distribution of desmostylians, it's quite ironic that no desmostylians have ever been found in the West Indies or eastern North America or even Africa because DNA studies point to an African origin for all afrotheres and desmostylians themselves are afrotheres (as a matter of fact, a sirenian fossil from the Early Eocene of Tunisia described by Benoit et. al. 2013 is about the same age as the Caribbean forms Prorastomus and Pezosiren, confirming that sirenians did indeed originate in Africa along with other afrothere groups). What would be a possible explanation for the absence of desmostylians from Africa if an African origin of afrotheres implies that Desmostylia originated in Africa? Benoit J, Adnet S, El Mabrouk E, Khayati H, Ben Haj Ali M, et al. (2013) Cranial Remain from Tunisia Provides New Clues for the Origin and Evolution of Sirenia (Mammalia, Afrotheria) in Africa. PLoS ONE 8(1): e54307. doi:10.1371/journal.pone.0054307
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