Glossary
Two-Toed Sloth choloepus didactylus
Two-Toed Sloth
 (Choloepus didactylus)

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Didactyly
Having two digits (fingers, toes) on a limb (hands, feet).
Didactyly (n.) is the condition of having two digits on each limb.
e.g. two-toed sloth, cattle, sheep and deer.
Cf.
Pentadactyly
Tetradactyly
Tridactyly
Monodactyly