Bostrichobranchus

Bostrichobranchus is a genus of ascidian tunicates in the family Molgulidae.

Species within the genus Bostrichobranchus include:
 * Bostrichobranchus digonas Abbott, 1951
 * Bostrichobranchus pilularis (Verrill, 1871)
 * Bostrichobranchus septum Monniot, 1978

Species names currently considered to be synonyms:
 * Bostrichobranchus manhattensis Traustedt, 1883 : synonym of Bostrichobranchus pilularis (Verrill, 1871)
 * Bostrichobranchus molguloides Metcalf, 1900 : synonym of Bostrichobranchus pilularis (Verrill, 1871)