Species List for Subgenus: Ovirissoa
Mollusca (Phylum) > Gastropoda (Class) > Caenogastropoda (Subclass) > Littorinimorpha (Order) > Rissooidea (Superfamily) > Rissoidae
(Family) > Rissoinae
(Subfamily) > Onoba
(Genus) > Ovirissoa
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Onoba (Ovirissoa) delli
Height 1.8mm, Width 0.9mm, Marine, Endemic
Lower North Island. In shell sand CE.
Onoba (Ovirissoa) lubrica
Height 2.2mm, Width 1.0mm, Marine, Endemic
South of South Island and Stewart Island FMAnE.