Description of Laoma ordishi new species (Eupulmonata: Punctidae) and reinstatement of Laoma nerissa (Hutton, 1883)

• Published in: Records of the Auckland Museum Vol. 54; pp. 63 - 80
• Main Authors: Climo, Frank, Mahlfeld, Karin, Payton, Ian, Roscoe, David
• Format: Journal Article
• Language: English
• Published: Auckland War Memorial Museum 01-01-2019
• Subjects: Classification; Gastropoda; Marine invertebrates
• ISSN: 1174-9202; 2422-8567; 2422-8567

Laoma s.str., based on Laoma leimonias (Gray, 1850), also includes L. marina (Hutton, 1883), L. ordishi Climo n. sp., L. labyrinthica Powell, 1948 and L. nerissa (Hutton, 1883), which is reinstated as a valid species. Recently collected material of these Laoma spp. from a wide spread of localities in New Zealand shows that reabsorption of apertural lamellae during growth does not change their configuration in the manner proposed by Suter (1891: 283–285). All species discussed here are endemic to New Zealand. They overlap tightly in their distribution but are often allopatric at local scale, around Auckland–Waitemata–Hauraki Gulf, North Island, while elsewhere they are geographically well-separated. The naturally uncommon L. labyrinthica (Three Kings Islands) is the only species of conservation concern in this group.