NZ Mollusca

Agatha georgiana (Hutton, 1885)

Agatha georgiana
Tutukaka, Whangarei, 11mm
Classification: Gastropoda - Caenogastropoda - Heterobranchia
Size/Grows to: Height 15mm, Width 6mm
Distribution: Northland to Stewart Island and Chatham Islands. Shallow water to 110 metres [A.C.F.M.]
Notes: Endemic
Some known Localities
  • Off North Cape, 137 metres, Far North, NZ *2
  • Off Rangaunu Bay, 23 metres, Northland, NZ
  • Whangaroa Harbour entrance, 13 metres, Northland, NZ
  • Centre of Pekapeka Bay, Whangaroa Harbour, Northland, NZ *2
  • NE of Ninepin Rock, 75 metres, Bay of Islands, Northland, NZ
  • Off Takou Bay, 80 metres, Bay of Islands, Northland, NZ *2
  • Off Twin Rocks, 46-73 metres, Bay of Islands, Northland, NZ *2
  • Off Takou Bay, 37 metres, Bay of Islands, Northland, NZ
  • Deep Water Cove, 33-46 metres, Bay of Islands, Northland, NZ
  • N of Poor Knights Islands, 146 metres, Northland, NZ *2
  • W of Poor Knights Islands, 121-113 metres, Northland, NZ *2
  • Tutukaka Harbour, Whangarei, Northland, NZ
  • Off Pakiri, 40 metres, Auckland, NZ
  • E of Great Barrier Island, 201 metres, Hauraki Gulf, NZ, (holotype of Odostomia stygia Suter, 1913, holotype of Odostomia marginata Murdoch & Suter, 1906)
  • 10 km W of Cuvier Island, Hauraki Gulf, NZ *2
  • Off Aldermen Islands, 165 metres, Bay of Plenty, NZ
  • Off E side of Mayor Island, 59-74 metres, Bay of Plenty, NZ *2
  • Off Mayor Island, 207-220 metres, Bay of Plenty, NZ
  • Te Piki, near Cape Runaway, (Castlecliffian, upper Pleistocene), Bay of Plenty, NZ (Fossil) *2
  • Off North Rock, Mount Maunganui, Bay of Plenty, NZ
  • Castlecliff, Wanganui, NZ (Fossil), (Upper Pleistocene)
  • SW of Waitotara River mouth, 77-82 metres, South Taranaki Bight, NZ *2
  • SW of Wanganui, 58-64 metres, NZ *2
  • W of Rangitikei River Mouth, 75 metres, Manawatu, NZ *2
  • NE of Stephens Island, 110 metres, NZ *2
  • NE of Stephens Island, 117-119 metres, NZ
  • NE of Stephens Island, 132 metres, NZ *2
  • E of Stephens Island, 128 metres, NZ
  • E of Stephens Island, 106 metres, Cook Strait, NZ
  • E of D'Urville Island, 60 metres, Cook Strait, NZ *2
  • Between Kapiti Island and Stephens Island, 148 metres, NZ
  • Off Chetwode Islands, Cook Strait, NZ *2
  • W of Kapiti Island, 113 metres, NZ
  • W of Kapiti Island, 137 metres, NZ
  • Between Titi Island & Alligator Head, 84-88 metres, Marlborough Sounds, NZ
  • Port Gore entrance, 15 metres, Marlborough Sounds, NZ
  • Queen Charlotte Sound, 46 metres, Marlborough Sounds, NZ
  • N Cook Strait, 282-293 metres, NZ *2
  • N rim of Nicholson Canyon, S of Island Bay, Cook Strait, NZ *2
  • Off Baring Head, Cook Strait, NZ
  • Mernoo Bank, Chatham Rise, NZ
  • Head of Pegasus Canyon, 446 metres, Canterbury, NZ
  • NE of Kaingaroa, 220-229 metres (120-125 fathoms), Chatham Rise, NZ *2
  • Petre Bay, 172 metres, Chatham Islands, NZ
  • E of Forty Fours, 238 metres, Chatham Islands, NZ *2
  • SE of Pitt Island, 284 metres, Chatham Islands, NZ *2
  • Caswell Sound head, Fiordland, NZ
  • Shelf off Oamaru, Otago, NZ
  • Head of Waitaki Canyon, 293-256 metres, off Oamaru, Otago, NZ *2
  • Deas Cove, Thompson Sound, Fiordland, NZ *2
  • Thompson Basin floor, 350 metres, Thompson Sound, Fiordland, NZ
  • Thompson Basin floor, 350 metres, Thompson Sound, Fiordland, NZ
  • Seymour Basin, 117-128 metres, Doubtful Sound entrance, Fiordland, NZ *2
  • Doubtful Sound, Off Shelter Island No. 2, 27 metres, Fiordland, NZ *2
  • Bradshaw Basin Floor, 415 metres, Bradshaw Sound, Fiordland, NZ *2
  • Utah Basin floor, 400 metres, Doubtful Sound, Fiordland, NZ
  • Patea (Gaol) Passage, Doubtful Sound, Fiordland, NZ
  • Seymour Basin, 94 metres, Doubtful Sound, Fiordland, NZ
  • Seymour Basin, 64 metres, Doubtful Sound, Fiordland, NZ
  • Seymour Basin, 115 metres, Doubtful Sound, Fiordland, NZ
  • Crooked Arm Sill, Doubtful Sound, 54-60 metres, Fiordland, NZ
  • Off Chatham Point, 42 metres, upper Breaksea Sound, Fiordland, NZ *2
  • Between unnamed island and Breaksea, Dusky Sound, 37 metres, Fiordland, NZ
  • Karitane Canyon, 420 metres, off Taiaroa Head, Otago, NZ
  • Karitane Canyon, 220 metres, off Otago Peninsula, NZ
  • Karitane Canyon, 530-585 metres, off Taiaroa Head, Otago, NZ *2
  • '104 Fathom Point', Bowen Channel, Dusky Sound, 10-17 metres, Fiordland, NZ *2
  • Off NW end of Cooper Island, Dusky Sound, 12 metres, Fiordland, NZ
  • Off Taiaroa Head, 137 metres, Otago, NZ
  • Nine Fathom Passage, near head of Dusky Sound, Fiordland, NZ *2
  • Taiaroa Canyon, 380-384 metres, Otago, NZ
  • Taiaroa Canyon, 549 metres, Otago, NZ *2
  • Taiaroa Canyon, 549 metres, off E Otago Peninsula, NZ
  • Off Taiaroa Head, 220 metres, Otago, NZ *2
  • NE of Cape Saunders, 105 metres, off Otago Peninsula, NZ
  • Papanui Canyon, 555-604 metres, off Otago Peninsula, NZ
  • Off Taiaroa Head, 220 metres, Otago, NZ
  • Papanui Canyon, 340-620 metres, off Otago Peninsula, NZ
  • Off Otago Peninsula, 619-550 metres, NZ
  • Off point of bay, N side of Edwardson Sound, 16 metres, Fiordland, NZ *2
  • Saunders Canyon, 421 metres, off Otago Head, NZ
  • Saunders Canyon, 457 metres, off Otago Head, NZ
  • Saunders Canyon, 360 metres, Otago, NZ
  • '55 Fathom Point', S side Cunaris Sound, Chalky Inlet, Fiordland, NZ *2
  • Cording Islets, Preservation Inlet, 32 metres, Fiordland, NZ
  • Off Taieri, 60 metres, S of Dunedin, Otago, NZ
  • Off Taieri, 150 metres, S of Dunedin, Otago, NZ
  • Off Taieri, 91 metres, S of Dunedin, Otago, NZ
  • Off Taieri, 180 metres, S of Dunedin, Otago, NZ
  • SE of Nugget Point, 140 metres, Otago, NZ
  • Off Vaila Voe, Paterson Inlet, Stewart Island, NZ
  • Stewart Island, NZ, (holotype of Odostomia bembix Suter, 1908)
  • Easy Harbour, Stewart Island, NZ
  • North Arm, 37-46 metres, Port Pegasus, Stewart Island, NZ *2
more localitiesspecies mapgenus mapchecklist
References:
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.265)

Note: Localities are approximate, and represent only some of the known localities for the species.

*2 © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND