NZ Mollusca

Gregariella barbata (Reeve, 1858)

Gregariella barbata
Ngunguru, Whangarei, in beach drift, 6mm
Classification: Bivalvia - Autobranchia - Mytiloida
Synonyms: (=Trichomusculus, Iredale)
Size/Grows to: Length 11mm, Width 5mm
Distribution: North, South and Chatham Islands. Also Western Australia to New South Wales [K.A.C.M.]
Some known Localities
  • Western Australia
  • Off Raoul Island, Kermadec Islands
  • Sydney, New South Wales, (holotype)
  • King Bank, off Three Kings Islands, 128-123 metres *2
  • Three Kings Trough, NW of Three Kings Islands, 805 metres *2
  • 13 km N of Great Island, Three Kings Islands, 508 metres
  • ENE Great Island, Three Kings Islands, 200 metres *2
  • NW of Great Island, Three Kings Islands, 310 metres *2
  • Off North East Island, Three Kings Islands, 102 metres *2
  • North West Bay, Great Island, Three Kings Islands
  • South East Bay, Great Island, Three Kings Islands
  • SE of Great Island, Three Kings Islands, 173-178 metres *2
  • 20 km NW of Cape Maria van Diemen, Far North, 100 metres
  • SE of Three Kings Islands, 121 metres *2
  • W of Cape Reinga, 78 metres
  • Tom Bowling Bay, Far North (Fossil)
  • Off Spirits Bay, Far North, 23 metres *2
  • Between Pandora Bank & Cape Maria van Diemen, Far North
  • W of Te Hapua wharf, Parengarenga Harbour
  • Off Great Exhibition Bay, Far North, 66 metres
  • Off Rangaunu Bay, Northland, 25 metres
  • Off Rangaunu Bay, Northland, 23 metres
  • New South Wales, Australia
  • Cable Bay, Doubtless Bay, Northland
  • Whangaroa Harbour entrance, 13 metres
  • Off Ahipara
  • Reef Point, Ahipara, Far North
  • Off Twin Rocks, Bay of Islands, 46-73 metres *2
  • Bay of Islands, Northland, 58-64 metres *2
  • Deep Water Cove, Bay of Islands, Northland, 23-32 metres
  • Bland Bay, Northland
  • N of Poor Knights, Northland, 146 metres *2
  • Te Araara Point, Tawhiti Rahi, Poor Knights Islands
  • Middle Arch, Poor Knights Islands
  • Mouth of submarine cave, Aorangaia Island, Poor Knights Islands *2
  • Tie Dye Arch, The Pinnacles, Poor Knights, Northland, 40 feet, shell-sand
  • Woolley's Bay, North of Tutukaka, Whangarei
  • S of Matapouri, Northland, 11-13 metres *2
  • Hole off Darch Point, Whangarei Harbour
  • Channel between High Island and shore, Taurikura, Whangarei
  • Taurikura Bay, Whangarei Heads
  • Off Hen & Chicken Islands, Hauraki Gulf, 47-55 metres
  • Bream Tail, Northland
  • Off Te Hue Point, Little Barrier Island, Hauraki Gulf *2
  • Whangaparapara, Great Barrier Island
  • Okupu Bay, Great Barrier Island
  • Oruawharo Bay, Great Barrier Island
  • Goat Island Bay Beach, Leigh
  • Tryphena, Great Barrier Island
  • Takatu Point, E of Warkworth
  • Kawau Bay, Hauraki Gulf
  • Bay E of Port Jackson, Coromandel *2
  • Off E side of Great Mercury Island
  • Buffalo Beach, Whitianga
  • Off E side Ruamahua-nui Island, Aldermen Islands, 38 metres *2
  • Off N side of Slipper Island, Bay of Plenty
  • Off E side Mayor Island, 104-109 metres
  • Off E side of Mayor Island, Bay of Plenty, 59-74 metres *2
  • Off White Island, Bay of Plenty, 73-59 metres
  • Ranfurly Bank, East Cape, 94 metres
  • Ranfurly Bank, East Cape, 94-89 metres *2
  • Ranfurly Bank, East Cape, 76-71 metres
  • Ranfurly Bank, East Cape, 106-103 metres *2
  • Rungapapa Knoll, WNW of White Island, Bay of Plenty, 188-228 metres *2
  • Ranfurly Bank, East Cape
  • Ranfurly Bank, East Cape, 39-50 metres *2
  • Otamaroa, Cape Runaway
  • Ranfurly Bank, East Cape, 74 metres
  • Ranfurly Bank, East Cape, 56-63 metres
  • Ranfurly Bank, East Cape, 50-72 metres *2
  • Ranfurly Bank, East Cape, 79-83 metres *2
  • Te Kaha, SW of Cape Runaway
  • Omaio Bay, Te Kaha
  • Rurima Islets, NW of Whakatane
  • Boulder Bay, Moutohora (Whale) Island, Bay of Plenty *2
  • Jackson's Reef, off Raglan
  • Off Hapuka Rock, Seal Rocks, Sugar Loaf Islands, New Plymouth *2
  • Mahia Peninsula, Hawkes Bay
  • Auroa Point, Mahia Peninsula, Hawkes Bay
  • SW of Waitotara River mouth, 77-82 metres *2
  • Off Wanganui
  • NE Cape Farewell, 95-137 metres
  • S of Waverley, 77-82 metres *2
  • SW of Wanganui, 58-64 metres *2
  • W of Rangitikei River Mouth, 75 metres *2
  • Wharariki Beach, Cape Farewell
  • Off Foxton, 86-88 metres
  • Hole N of Stephens Island, Cook Strait
  • Kahurangi Point, NW Nelson
  • Off W side of D'Urville Island, 62 metres *2
  • Waikanae Beach, Wellington
  • W of Kapiti Island, 113 metres
  • Between West Entry Point and Duffers Reef, Pelorus Sound mouth, 29 metres *2
  • Between Cape Jackson & McManaway Rock, off Port Gore, Cook Strait
  • Between Pukerua Bay & Paekakariki, N of Wellington
  • Queen Charlotte Sound, 46 metres
  • Titahi Bay, Porirua, Wellington
  • Makara, Wellington
  • Lyall Bay, Wellington
  • Cook Strait Canyon, off Karori Rocks, 256-274 metres *2
  • Off Baring Head, Cook Strait
  • Tasmania, Australia
  • Mernoo Bank, W Chatham Rise
  • Pegasus Canyon, NE Banks Peninsula, 256-293 metres
  • Chatham Islands, S of The Sisters
  • Off Hanata Island, NE of Haast
  • Off Cape Pattison, Chatham Islands
  • Kaingaroa, Chatham Islands
  • Petre Bay, Chatham Islands, 90 metres
  • Waitangi, Chatham Islands
  • Outer Stafford Rock, SW of Haast
  • Glory Bay, Pitt Island, Chatham Islands
  • Punga Cove, W of Stirling Falls, middle Milford Sound, Fiordland *2
  • Bligh Sound, Fiordland, off Turn Round Point
  • Head of Caswell Sound, Fiordland
  • Off Lieutenant Head, Thompson Sound, Fiordland *2
  • Doubtful Sound, Off Shelter Island No. 2, 27 metres *2
  • Off Chatham Point, upper Breaksea Sound, 42 metres *2
  • S side of Wet Jacket Arm entrance, Fiordland, 42 metres *2
  • '104 Fathom Point', Bowen Channel, Dusky Sound, 10-17 metres *2
  • Off Taiaroa Head, Otago, 90 metres *2
  • '55 Fathom Point', S side Cunaris Sound, Chalky Inlet, Fiordland *2
  • Cording Islets, Preservation Inlet, Fiordland, 32 metres
  • Off Taieri, S of Dunedin, 87 metres
  • Off Taieri, S of Dunedin, 91 metres
  • Waipapa Point, Southland
  • SE of Nugget Point, Otago, 140 metres
  • Off Smoky Spit, Stewart Island
  • Off Poutama Island, South Cape, Stewart Island, 55 metres
  • Snares Islands, off 'The Breaks', 33-37 metres
  • Off Western Chain, Snares Islands, 70-110 metres
more localitiesspecies mapgenus map
References:
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.373)

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