New taxa in: RAVEN, J.G.M., 2021. Notes on molluscs from NW Borneo 8. Stromboidea (Gastropoda, Neogastropoda). Addendum, including the description of two new genera and seven new extinct species.
Terebellum humilispirum Raven 2021 – holotype
Type locality. — Beraya-Tusan seacliffs 3.6 km (outcrop A), Sarawak, Malaysia.
Middle Miocene.