Before the 1989 IPA Convention
, the symbol for the close-mid back unrounded vowel was ⟨⟩, sometimes called "baby gamma", which has a flat top; this symbol was in turn derived from and replaced the inverted small capital
A, ⟨Ɐ⟩, that represented the sound before the 1928 revision
to the IPA.
The symbol was ultimately revised to be ⟨⟩, "ram's horns", with a rounded top, in order to better differentiate it from the Latin gamma
provides only U+0264 ɤLATIN SMALL LETTER RAMS HORN
), but in some fonts this character may appear as a "baby gamma" instead.