Eudolium bairdii (A.E. Verrill & S. Smith, 1881)
Height 50mm, Width 25mm
Marine, Native - Non-endemic
Atlantic and Indo-West Pacific. North-eastern North Island, from 380-424m

Eudolium crosseanum (Monerosato, 1869)
Height 60mm, Width 45mm
Marine, Native - Non-endemic
Western Atlantic, Mediterranean and Indo-West Pacific. North-eastern North Island, from 400-407m

Malea pomum (Linnaeus, 1758)
Height 70mm
Marine, Native - Non-endemic
Indo-West Pacific and western Atlantic. Kermadec Islands, with occasional occurrence in Far North, NZ, from 0-23m

Tonna cumingii (Reeve, 1849)
Height 90mm, Width 65mm
Marine, Native - Non-endemic, The species currently classified as Tonna cumingii in New Zealand could possibly be a new/different species or even more than one species. Until further research has been published, the current name of Tonna cumingii is used here
Indo-West Pacific. North-eastern North Island, from 0m

Tonna dolium (Lamarck, 1822)
Height 110mm, Width 95mm
Marine
Indo-Pacific, Indian Ocean, Indonesia, Japa, Philippines, Fiji and northern part of North Island

Tonna lischkeana (Küster, 1857)
Height 215mm
Marine, Native - Non-endemic
Indo-West Pacific. Kermadec Islands and north-eastern North Island as far south as Motuhora Island, from 0-27m

Tonna luteostoma (Küster, 1857)
Height 100mm, Width 85mm
Marine, Native - Non-endemic
Indo-West Pacific. North-eastern North Island, from 0m

Tonna melanostoma (Jay, 1839)
Height 180mm, Width 145mm
Marine, Native - Non-endemic
West Pacific. Kermadec Islands, and north-eastern North Island as far south as Bream Bay, from 10-20m

Tonna perdix (Linnaeus, 1758)
Height 225mm
Marine, Native - Non-endemic
Indo-Pacific. Kermadec Islands and north-eastern North Island as far south as Bay of Islands, from 0-20m

Tonna tankervillii (Hanley, 1860)
Height 250mm, Width 210mm
Common Cask or Tun Shell, Marine, Native - Non-endemic, Washups on sandy beaches and alive below low tide
Eastern Australia and northern New Zealand. North Island as far south as Whanganui, from 0-366m

Tonna tetracotula Hedley, 1919
Height 200mm, Width 150mm
Marine, Native - Non-endemic
Eastern Australia and northern New Zealand. North-eastern North Island as far south as Motuhora Island, from 55-73m

Tonna zonata (Green, 1830)
Height 200mm, Width 155mm
Marine, Native - Non-endemic
Indo-West Pacific. North-eastern North Island as far south as Motuhora Island, from 37-91m