The Truth of Manatee Evolution
Description: The manatees and the dugong are among the most beloved creatures on our planet. They have some fascinating anatomy and an even more fascinating evolutionary history, originating more than 50 million years ago. So, let’s dive into the evolution of these wonderful creatures, exploring their rich fossil record and how they went from living on land to becoming rotund, dense-boned underwater lawnmowers.
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Thumbnail art: Joschua Knüppe
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📱 Social Media:
►Instagram: http://bit.ly/1PIEagv
►TikTok: https://www.tiktok.com/@bengthomas
►Twitter: https://twitter.com/BenGThomas42
►Subreddit: https://www.reddit.com/r/BenGThomas
Sources:
https://www.sciencedirect.com/science/chapter/edited-volume/abs/pii/B9780123735539002364
https://www.nature.com/articles/35098072
https://www.nature.com/articles/s41598-018-23355-w
https://www.sciencedirect.com/science/article/abs/pii/S1055790315001657?via%3Dihub
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0031294
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.20545
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0157556
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0109232
https://onlinelibrary.wiley.com/doi/10.1111/joa.12518
https://www.researchgate.net/publication/301487667_A_mandible_of_the_hyracoid_mammal_Titanohyrax_andrewsi_in_the_collections_of_the_Museum_National_d%27Histoire_Naturelle_Paris_France_with_a_reassessment_of_the_species
https://web.archive.org/web/20061231005452/http://www.sirenian.org/sirenianevolution.pdf
https://web.archive.org/web/20130511221756/http://www.environment.gov.au/biodiversity/abrs/publications/fauna-of-australia/pubs/volume1b/57-ind.pdf
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.22525
https://www.researchgate.net/publication/51104362_Breaking_evolutionary_and_pleiotropic_constraints_in_mammals_On_sloths_manatees_and_homeotic_mutations
https://www.nature.com/articles/s41467-024-49769-x
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0054307
https://www.tandfonline.com/doi/full/10.1080/02724634.2017.1299158
https://www.google.co.uk/books/edition/The_Princeton_Field_Guide_to_Prehistoric/tWiYDwAAQBAJ?hl=en
https://www.sciencedirect.com/science/article/abs/pii/S1464343X22000681
https://hal.archives-ouvertes.fr/hal-02351001/file/Diaz%20et%20al%20-%20R%20%281%29.pdf
https://www.app.pan.pl/article/item/app002872016.html
https://www.tandfonline.com/doi/abs/10.1080/02724634.2013.799072
https://www.jstage.jst.go.jp/article/prpsj/8/2/8_2_91/_article
https://www.sciencedirect.com/science/article/abs/pii/S1055790315001657?via%3Dihub
https://royalsocietypublishing.org/rsbl/article-abstract/2/1/94/63726/Modelling-the-extinction-of-Steller-s-sea-cow?redirectedFrom=fulltext
https://web.archive.org/web/20161020122625/http://www.science.smith.edu/msi/pdf/i0076-3519-165-01-0001.pdf
https://bioone.org/journals/paleontological-research/volume-8/issue-2/prpsj.8.91/A-phylogeny-of-the-North-Pacific-Sirenia-Dugongidae--Hydrodamalinae/10.2517/prpsj.8.91.full
https://academic.oup.com/sysbio/article-abstract/25/4/352/1653302?redirectedFrom=fulltext&login=false
https://www.academia.edu/145159996/809_Dusisiren_Dewana_N_Sp_Mammalia_Sirenia_a_New_Ancestor_of_Stellers_Sea_Cow_from_the_Upper_Miocene_of_Yamagata_Prefecture_Northeastern_Japan
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.20540
https://www.tandfonline.com/doi/abs/10.1080/02724634.2011.602778
https://www.sciencedirect.com/science/article/abs/pii/S0031018200002005
https://peerj.com/articles/13886/
https://www.sci.news/paleontology/salwasiren-qatarensis-14427.html
https://peerj.com/articles/20030/
0:00 - Intro
0:38 - What are sea cows?
3:41 - Anatomy of sirenians
8:14 - Early sea cow evolution
14:13 - Hydrodamalinae (Steller's sea cow)
16:43 - Dugonginae (Dugong lineage)
19:06 - Trichechidae (Manatee lineage)
22:19 - Seagrass evolution
24:55 - Conclusion Close description
Subscribe to my mum's channel One World: https://youtube.com/@OneWorldNT?si=4jNuIu72-zCtnRDD
🌿 Learn about seagrass: https://www.youtube.com/watch?v=AOTBvIbY-CU
Thumbnail art: Joschua Knüppe
📰 Subscribe to 7 Days of Science: https://www.youtube.com/@7DaysofScience
👕 Visit our merch store: https://ben-g-thomas-shop.fourthwall.com
⭐ Become a Channel Member or support us on Patreon for behind-the-scenes, bloopers, extra adventures and more!
Become a Member: https://www.youtube.com/channel/UCDSzwZqgtJEnUzacq3ddoOQ/join
Join the 7 Days of Science Patreon: https://www.patreon.com/7daysofscience
Join our Discord server: https://discord.gg/jTsGYtRBHZ
Follow us on Instagram: http://bit.ly/1PIEagv
Follow us on TikTok: https://www.tiktok.com/@bengthomas
Music by Geographer
Subscribe to explore the wonderful life around you!
📱 Social Media:
►Instagram: http://bit.ly/1PIEagv
►TikTok: https://www.tiktok.com/@bengthomas
►Twitter: https://twitter.com/BenGThomas42
►Subreddit: https://www.reddit.com/r/BenGThomas
Sources:
https://www.sciencedirect.com/science/chapter/edited-volume/abs/pii/B9780123735539002364
https://www.nature.com/articles/35098072
https://www.nature.com/articles/s41598-018-23355-w
https://www.sciencedirect.com/science/article/abs/pii/S1055790315001657?via%3Dihub
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0031294
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.20545
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0157556
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0109232
https://onlinelibrary.wiley.com/doi/10.1111/joa.12518
https://www.researchgate.net/publication/301487667_A_mandible_of_the_hyracoid_mammal_Titanohyrax_andrewsi_in_the_collections_of_the_Museum_National_d%27Histoire_Naturelle_Paris_France_with_a_reassessment_of_the_species
https://web.archive.org/web/20061231005452/http://www.sirenian.org/sirenianevolution.pdf
https://web.archive.org/web/20130511221756/http://www.environment.gov.au/biodiversity/abrs/publications/fauna-of-australia/pubs/volume1b/57-ind.pdf
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.22525
https://www.researchgate.net/publication/51104362_Breaking_evolutionary_and_pleiotropic_constraints_in_mammals_On_sloths_manatees_and_homeotic_mutations
https://www.nature.com/articles/s41467-024-49769-x
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0054307
https://www.tandfonline.com/doi/full/10.1080/02724634.2017.1299158
https://www.google.co.uk/books/edition/The_Princeton_Field_Guide_to_Prehistoric/tWiYDwAAQBAJ?hl=en
https://www.sciencedirect.com/science/article/abs/pii/S1464343X22000681
https://hal.archives-ouvertes.fr/hal-02351001/file/Diaz%20et%20al%20-%20R%20%281%29.pdf
https://www.app.pan.pl/article/item/app002872016.html
https://www.tandfonline.com/doi/abs/10.1080/02724634.2013.799072
https://www.jstage.jst.go.jp/article/prpsj/8/2/8_2_91/_article
https://www.sciencedirect.com/science/article/abs/pii/S1055790315001657?via%3Dihub
https://royalsocietypublishing.org/rsbl/article-abstract/2/1/94/63726/Modelling-the-extinction-of-Steller-s-sea-cow?redirectedFrom=fulltext
https://web.archive.org/web/20161020122625/http://www.science.smith.edu/msi/pdf/i0076-3519-165-01-0001.pdf
https://bioone.org/journals/paleontological-research/volume-8/issue-2/prpsj.8.91/A-phylogeny-of-the-North-Pacific-Sirenia-Dugongidae--Hydrodamalinae/10.2517/prpsj.8.91.full
https://academic.oup.com/sysbio/article-abstract/25/4/352/1653302?redirectedFrom=fulltext&login=false
https://www.academia.edu/145159996/809_Dusisiren_Dewana_N_Sp_Mammalia_Sirenia_a_New_Ancestor_of_Stellers_Sea_Cow_from_the_Upper_Miocene_of_Yamagata_Prefecture_Northeastern_Japan
https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.20540
https://www.tandfonline.com/doi/abs/10.1080/02724634.2011.602778
https://www.sciencedirect.com/science/article/abs/pii/S0031018200002005
https://peerj.com/articles/13886/
https://www.sci.news/paleontology/salwasiren-qatarensis-14427.html
https://peerj.com/articles/20030/
0:00 - Intro
0:38 - What are sea cows?
3:41 - Anatomy of sirenians
8:14 - Early sea cow evolution
14:13 - Hydrodamalinae (Steller's sea cow)
16:43 - Dugonginae (Dugong lineage)
19:06 - Trichechidae (Manatee lineage)
22:19 - Seagrass evolution
24:55 - Conclusion Close description
