Work found, with species-group names introduced therein:
Simone, L. R. L. and D. G. Zelaya. 2004. A new Orbitestella (Gastropoda: Heterobranchia: Orbitestellidae) from Tierra del Fuego, Argentina. Nautilus 118 160-166. [Stated date: 21 Dec 2004.] Orbitestella patagonica