Thalassocnus
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Thalassocnus is an extinct genus of semiaquatic ground sloths from the Miocene and Pliocene of the Pacific South American coast. It is monotypic within the subfamily Thalassocninae. The five species—T
Thalassocnus
T. natans fossil in Museum of Natural History, Lima
Life restoration of T. natans in its hypothetical swimming pose without fur
Partial T. cf. natans humerus
Ground sloth
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Ground sloths are a diverse group of extinct sloths in the mammalian superorder Xenarthra. They varied widely in size; the largest belonged to the genera Lestodon, Eremotherium and Megatherium, and we
Thalassocnus
…Thalassocnus is an extinct genus of semiaquatic ground sloths from the Miocene and Pliocene of the Pacific South American coast. It is monotypic within the subfamily Thalassocninae. The five species—T. antiquus…
Ground sloths
Fossil Eremotherium skeleton, National Museum of Natural History, Washington, DC
Paramylodon harlani, Texas Memorial Museum, University of Texas at Austin
A Tamandua anteater in an upright defensive stance similar to those presumed to have been adopted by ground sloths, per trackways preserved in New Mexico