Thalamoporella gracilata is recorded from Vanuatu.
Original description: Thalamoporella gracilata Tilbrook, Hayward & Gordon, 2001
Locality: Vanuatu
Holotype: BMNH 1998.8.4.257; Paratypes: BMNH 1998.8.4.103, 1998.8.4.193, 1998.8.4.258, 1998.8.4.266.
Description from Tilbrook, Hayward & Gordon, 2001. (PDF file)