Jeff Rapps had some tank raised C. spilrus relatively recently (not sure of the source but you could reach out to him).
Last known-provenance C. spilurus that I know about were the Rio Blanco that Ken Davis brought back from Honduras in 2006-7. I had them for awhile and lost them after our move.
I keep Rio Monga and Rio Jutiapa (Honduras) cutteri as well as C. chetamulensis, which are pretty much the same thing
Matt