Reteporella graeffei is found from the Indo-west Pacific, including Australia. The illustration is of a specimen from Lord Howe Island. Specimen donated by Neville Coleman
Original description: Retihornera graeffei Kirchenpauer, 1869
Locality: Fiji
Lectotype: NHM 1869.12.3.55
Description from Tilbrook, Hayward & Gordon, 2001. (PDF file)
Description from Tilbrook, 2006. (PDF file)