C. fenestrata

C. fenestrata may refer to:
 * Cephalia fenestrata, a picture-winged fly species
 * Cephaloleia fenestrata, a rolled-leaf beetle species in the genus Cephaloleia found in Costa Rica
 * Chrysallida fenestrata, a sea snail species found in the Atlantic Ocean and the Mediterranean Sea
 * Clidemia fenestrata, a plant species in the genus Clidemia
 * Cochlearia fenestrata, the Arctic scurvy-grass, a plant species in the genus Cochlearia
 * Cotinusa fenestrata, a jumping spider species in the genus Cotinusa found in Peru
 * Crucigenia fenestrata, an algae species in the genus Crucigenia