Yes, the major three being the sloth, the anteater and the armadillo.
Source: http://www.mcwdn.org/Animals/ToothlessMammals.html
Toothless mammals are called 'edentate'.
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Armadillo, anteaters, and sloths are all mammals that don't have teeth. Platypus are born with teeth, but they fall out and adult platypus are toothless. People also, most likely, are toothless by age 60 unless of course they have dentures.
usually small insects
Sloth, armadillo & anteater.
everywhere except Antarctica
calf lamb kidsfeeder
Toothless mammals are called edentates. This group includes species such as anteaters, sloths, and armadillos. Edentates are characterized by their lack of teeth or reduced dentition, which is an adaptation to their specific diets and lifestyles.
a toothless watchdog is called Mohammod
There are several mammals which do not have teeth. The echidna is an Australian mammal, a monotreme which only has a sticky tongue. The platypus is another Australian monotreme which has grinding plates, rather than teeth. Sloths, anteaters, tamanduas, pangolins, baleen whales, and adult monotremes are all toothless mammals.
Toothless George was born in 1975.
He was about 57 when he was completely toothless. WOW!