Auriculocondylar Syndrome 2a, also known as auriculocondylar syndrome 2, is related to auriculocondylar syndrome 2b and auriculocondylar syndrome, and has symptoms including snoring An important gene associated with Auriculocondylar Syndrome 2a is PLCB4 (Phospholipase C Beta 4). Affiliated tissues include tongue and skin, and related phenotypes are micrognathia and narrow mouth