Wainuia clarki

Wainuia clarki is known from taxonomic and natural-history literature as a member of the genus Wainuia, a lineage of air‑breathing predatory land snails endemic to New Zealand. The genus Wainuia is placed in the family Rhytididae; the supplied sources treat W. clarki as a biological species that is part of New Zealand's endemic fauna and as a subject of conservation concern in institutional contexts.

Primary sources provided do not include a detailed morphological description for Wainuia clarki. The species is represented in photographic galleries on public-facing pages, but the supplied excerpts do not give shell dimensions, coloration, or detailed anatomy. Taxonomically it is a terrestrial pulmonate gastropod (a land snail) in the family Rhytididae.

Wainuia clarki is an air‑breathing (pulmonate) terrestrial snail. Members of the genus Wainuia are carnivorous; W. clarki is reported to feed mainly on earthworms, and genus-level accounts note predation primarily on amphipods and earthworms. Beyond respiration and predatory feeding on invertebrates in soil and litter microhabitats, the supplied sources do not provide further behavioral or reproductive detail.