Beania lagenula is distribed widely in the tropical Pacific, including Korea, Colombia, and Australia.
Original description: Beania lagenula Tilbrook, 2006.
Locality: Fiji.
Holotype: BMNH 2000.4.11.1618; Paratype: BMNH 2000.4.11.1621.
Description from Tilbrook, 2006. (PDF file)