from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic family within the order Xenarthra — the two-toed sloths.
from the GNU version of the Collaborative International Dictionary of English
- proper n. A natural family consisting of the two-toed sloths.
from The Century Dictionary and Cyclopedia
- The great ground-sloths of the genus Megalonyx considered as sufficiently distinct from those represented by Megatherium to warrant their separation as a distinct family.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. mammal family consisting of the two-toed sloths
I was excited to meet him because I had read his dissertation on the phylogenesis of modern Megalonychidae, and I wanted to quiz him on certain . . . aspects of his research that I saw as questionable.
South American mammals of the familys Bradypodidae and Megalonychidae, of which the genera is represented by the living two and three-toed sloths.