from The Century Dictionary.
- noun A genus of megatherioid edentate mammals founded by Owen in 1840 upon remains of a species called
S. leptocephalum, from the Pleistocene of Patagonia.
Sorry, no etymologies found.
To these were now added the _Mylodon Darwinii_, a giant sloth; the scelidotherium, a somewhat smaller form; the great camel-like, yet odd-toed, macrauchenia; and the toxodon, as large as a hippopotamus, yet having a strange resemblance to the little rodents.