C. bartschi

C. bartschi may refer to:
 * Conus bartschi, a sea snail species
 * Curtitoma bartschi, a sea snail species
 * Cymatosyrinx bartschi, a sea snail species

Synonyms

 * Collocalia bartschi, a synonym for Aerodramus bartschi, the Mariana swiftlet or Guam swiftlet, a bird species