What is "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)