R with tail
Letter of the Latin alphabet (Ɽ, ɽ)
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Ɽ, ɽ is a letter of the Latin alphabet, derived from R with the addition of a tail. Its capital form may be based on either the uppercase or lowercase R.

Unicode
Usage
⟨ɽ⟩ is used in the International Phonetic Alphabet to represent a retroflex flap.
Ɽ is also used in the alphabets of several Sudanese languages, including Heiban, Koalib, Moro and Otoro. It is placed after R in alphabetical order.