Advena grayi (Sykes, 1900:141)



Taxonomy & Nomenclature

Synonym/s: Fretum grayi Sykes, 1900:141 (basionym); Belloconcha elevata Preston, 1913; Mathewsoconcha elevata (Preston, 1913)


Previously considered a synonym of M. suteri (Smith, 1992; MolluscaBase, 2022), but it was reportedly rediscovered in November 2022 (Power, 2022). It is now considered a valid species in the genus Advena (Hyman et al., 2023).


Conservation Status

Last record: 1982

Rediscovered in November 2022 (Power, 2022)



Norfolk Island & Phillip Island, Australia


Biology & Ecology










Original scientific description:

Sykes, E. R. (1900). Notes on the non-marine Mollusca of Norfolk and Phillip Islands, with descriptions of new species. Proceedings of the Malacological Society of London. 4: 139-147.

Other references:

Hyman, Isabel T., Caiza, Jennifer and Köhler, Frank. (2023). Systematic revision of the microcystid land snails endemic to Norfolk Island (Gastropoda: Stylommatophora) based on comparative morpho-anatomy and mitochondrial phylogenetics. Invertebrate Systematics 37(6): 334-443.

Iredale, Tom. (1945). The land Mollusca of Norfolk Island. The Australian Zoologist 2(1): 46-71.

MolluscaBase eds. (2022). MolluscaBase. Fretum grayi Sykes, 1900. Accessed through: World Register of Marine Species at: on 2022-03-25

Power, Julie. (December 10, 2022). ‘Not a scrap of vegetation’: The decades-long fight to bring Phillip Island back from the brink. The Sydney Morning Herald (online). Available at: [Accessed 13 December 2022]

Preston, H. B. (1913). Characters of new genera and species of terrestrial Mollusca from Norfolk Island. Annals and Magazine of Natural History, ser. 8, 12: 522-538.

Smith, B. J. (1992). Non-marine Mollusca. In: Houston W.W.K. (ed.) Zoological Catalogue of Australia, volume 8. xii + 405 pp.


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