${\boldsymbol {\boldsymbol c}}$ ${\boldsymbol {\overline{\boldsymbol c}}}$ MESONS (including possibly non- ${\boldsymbol {\boldsymbol q}}$ ${\boldsymbol {\overline{\boldsymbol q}}}$ states)

See related reviews:
Charmonium System
Branching Ratio of ${{\mathit \psi}{(2S)}}$ and ${{\mathit \chi}_{{c0}}}_{,1,2}$
Spectroscopy of Mesons Containing Two Heavy Quarks
${{\mathit \eta}_{{c}}{(1S)}}$
$0^+(0^{- +})$
${{\mathit J / \psi}{(1S)}}$
$0^-(1^{- -})$
${{\mathit \chi}_{{c0}}{(1P)}}$
$0^+(0^{+ +})$
${{\mathit \chi}_{{c1}}{(1P)}}$
$0^+(1^{+ +})$
${{\mathit h}_{{c}}{(1P)}}$
$?^?(1^{+ -})$
${{\mathit \chi}_{{c2}}{(1P)}}$
$0^+(2^{+ +})$
${{\mathit \eta}_{{c}}{(2S)}}$
$0^+(0^{- +})$
${{\mathit \psi}{(2S)}}$
$0^-(1^{- -})$
${{\mathit \psi}{(3770)}}$
$0^-(1^{- -})$
${{\mathit \psi}_{{2}}{(3823)}}$
was ${{\mathit \psi}{(3823)}}$, ${{\mathit X}{(3823)}}$
$0^-(2^{- -})$
${{\mathit \chi}_{{c0}}{(3860)}}$
$0^+(0^{+ +})$
${{\mathit \chi}_{{c1}}{(3872)}}$
aka ${{\mathit X}{(3872)}}$
$0^+(1^{+ +})$
${{\mathit Z}_{{c}}{(3900)}}$
was ${{\mathit X}{(3900)}}$
$1^+(1^{+ -})$
${{\mathit X}{(3915)}}$
was ${{\mathit \chi}_{{c0}}{(3915)}}$
$0^+(0 $
or $ 2^{+ +})$
${{\mathit \chi}_{{c2}}{(3930)}}$
was ${{\mathit \chi}_{{c2}}{(2P)}}$
$0^+(2^{+ +})$
${{\mathit X}{(3940)}}$
$?^?(?^{? ?})$
${{\mathit X}{(4020)}}$
$1^+(?^{? -})$
${{\mathit \psi}{(4040)}}$
$0^-(1^{- -})$
${{\mathit X}{(4050)}^{\pm}}$
$1^-(?^{? +})$
${{\mathit X}{(4055)}^{\pm}}$
$1^+(?^{? -})$
${{\mathit \chi}_{{c1}}{(4140)}}$
was ${{\mathit X}{(4140)}}$
$0^+(1^{+ +})$
${{\mathit \psi}{(4160)}}$
$0^-(1^{- -})$
${{\mathit X}{(4160)}}$
$?^?(?^{? ?})$
${{\mathit Z}_{{c}}{(4200)}}$
was ${{\mathit X}{(4200)}^{\pm}}$
$1^+(1^{+ -})$
${{\mathit \psi}{(4230)}}$
was ${{\mathit X}{(4230)}}$
$0^-(1^{- -})$
${{\mathit R}_{{c0}}{(4240)}}$
was ${{\mathit X}{(4240)}^{\pm}}$
$1^+(0^{- -})$
${{\mathit X}{(4250)}^{\pm}}$
$1^-(?^{? +})$
${{\mathit \psi}{(4260)}}$
aka ${{\mathit Y}{(4260)}}$; was ${{\mathit X}{(4260)}}$
$0^-(1^{- -})$
${{\mathit \chi}_{{c1}}{(4274)}}$
was ${{\mathit X}{(4274)}}$
$0^+(1^{+ +})$
${{\mathit X}{(4350)}}$
$0^+(?^{? +})$
${{\mathit \psi}{(4360)}}$
aka ${{\mathit Y}{(4360)}}$; was ${{\mathit X}{(4360)}}$
$0^-(1^{- -})$
${{\mathit \psi}{(4390)}}$
was ${{\mathit X}{(4390)}}$
$0^-(1^{- -})$
${{\mathit \psi}{(4415)}}$
$0^-(1^{- -})$
${{\mathit Z}_{{c}}{(4430)}}$
was ${{\mathit X}{(4430)}^{\pm}}$
$1^+(1^{+ -})$
${{\mathit \chi}_{{c0}}{(4500)}}$
was ${{\mathit X}{(4500)}}$
$0^+(0^{+ +})$
${{\mathit \psi}{(4660)}}$
aka ${{\mathit Y}{(4660)}}$; was ${{\mathit X}{(4660)}}$
$0^-(1^{- -})$
${{\mathit \chi}_{{c0}}{(4700)}}$
was ${{\mathit X}{(4700)}}$
$0^+(0^{+ +})$
 
   Indicates established particles.