Gemmula orba is an extinct species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.MolluscaBase eds. (2021). MolluscaBase. Gemmula orba Marwick, 1931 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=831494 on 2021-01-25
Distribution Fossils of this marine species have been found in Tertiary strata in New Zealand.
References
Marwick, J. (1931). The Tertiary Mollusca of the Gisborne District. New Zealand Geological Survey Paleontological Bulletin 13:1-177. 18: pls. Maxwell, P.A. (2009). Cenozoic Mollusca. pp 232–254 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch