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Species List for Family: Lasaeidae
Mollusca (Phylum) > Bivalvia (Class) > Heterodonta (Subclass) > Euhetrodonta (Infraclass) > Imparidentia (Superorder) > Galeommatida (Order) > Galeommatoidea (Superfamily) > Lasaeidae (Family)
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  • Family: Lasaeidae

  • Arthritica bifurca (Webster, 1908)
    Width 6mm, Height 5mm, Marine, Recent, Fossil, Endemic
    North and upper South Island ACR.Fo.E.
  • Arthritica crassiformis Powell, 1933
    Width 5.5mm, Height 4.5mm, Marine, Endemic, Commensal upon the pholad, rock boring Anchomasa, usually found around the base of the siphon and along the lower mantle edges
    North Island and northern part of South Island ACE.
  • Arthritica hulmei Ponder, 1965
    Width 3.4mm, Height 2.8mm, Marine, Endemic, Commensal with a large polychaete worm, the seamouse, Aphrodita australis
    Northland to Wellington, Cook Strait area ACE.
  • Borniola bidentifera (Powell, 1933)
    Width 1.7mm, Height 1.2mm, Marine, Endemic
    North Island. Far North in shell sand AE.
  • Borniola decapitata (Powell, 1939)
    Width 2.8mm, Height 2mm, Marine, Endemic
    Fiordland, Stewart Island, Snares, Auckland, Campbell, Bounty and Chatham Islands FMAnE.
  • Borniola neozelanica Powell, 1937
    Width 4.5mm, Height 3.3mm, Marine, Endemic
    Off Three Kings Islands, 260 metres AME.
  • Borniola powelli Crozier, 1966
    Width 4.5mm, Height 4mm, Marine, Endemic
    Off Three Kings Islands, 135-800 metres, and off Chatham Islands, 280 metres AME.
  • Borniola profunda (Dell, 1952)
    Width 1.5mm, Height 1.2mm, Marine, Endemic
    Tasman Sea, off west coast North Island, 536 metres CME.
  • Borniola quadrata (Dell, 1956)
    Width 3.5mm, Height 2.8mm, Marine, Endemic
    Off Auckland Islands, Chatham Islands and off west coast South Island FMAnE.
  • Borniola reniformis (Suter, 1908)
    Width 10mm, Height 7mm, Marine, Endemic
    North, South, Stewart, Chatham and Snares Islands. From low tide to over 180 metres ACFMAnE.
  • Borniola taieriensis (Powell, 1939)
    Width 2.5mm, Height 2.2mm, Marine, Endemic
    South Island, Fiordland to Stewart Island and Chatham Islands FME.
  • Kellia cycladiformis (Deshayes, 1834)
    Width 16mm, Height 13mm, Marine, Endemic
    North, South, Stewart, Chatham and southern Islands. Often found inside empty bivalves ACFMAnE.
  • Kellia minima Ponder, 1971
    =Kellia (Kaneoha) minima Ponder, 1971 accepted, alternate representation
    Width 1.4mm, Height 1.2mm, Marine, Endemic
    North, South and Stewart Island. On algae at low tide to over 60 metres ACFE.
  • Lasaea hinemoa Finlay, 1928
    Width 3.5mm, Height 3mm, Marine, Endemic
    North, South, Stewart, Chathams, Bounty, Auckland and Campbell Islands. Mid tide in algal clumps to over 100 metres ACFMAnE.
  • Lasaea maoria (Powell, 1933)
    Width 2.4mm, Height 2mm, Marine, Endemic
    North and South Islands. Under stones in mud at high tide ACFE.
  • Lasaea parengaensis Powell, 1935
    Width 1.5mm, Height 1.2mm, Marine, Endemic
    North and South Islands ACFE.
  • Lasaea rossiana Finlay, 1928
    Width 2.4mm, Height 2.1mm, Marine
    Macquarie Island, on rocks between tides An
  • Lasaea sp. aff. rubra (Montagu, 1803)
    Kermadec Islands K
  • Melliteryx parva (Deshayes, 1856)
    Marine, Endemic
    North, South, Stewart, Chatham, Snares and Auckland Islands. Shallow water to about 90 metres ACFMAnE.
  • Montacuta semiradiata neozelanica (Dell, 1956)
    Width 2.7mm, Height 1.9mm, Marine, Endemic
    Challenger Plateau, west of North Island, 820 metres. Chatham Rise 430-1370 metres AME.
  • Myllita stowei (Hutton, 1873)
    =Myllita (Zemyllita) stowei (Hutton, 1873) accepted, alternate representation, =Pythina stowei Hutton, 1873
    Width 14mm, Height 8mm, Marine, Endemic
    North and northern South Island. Attached to the under sides of stones on sand ACE.
  • Myllita vivens Finlay, 1926
    =Myllita (Myllitella) vivens (Finlay, 1926) accepted, alternate representation, =Myllitella vivens Finlay, 1926, =Myllitella vivens vivens Finlay, 1926
    Width 3.3mm, Height 3mm, Marine, Endemic
    Three Kings Islands to Foveaux Strait. Shallow water to about 95 metres ACFME.
  • Myllita vivens pinguis (Marwick, 1928)
    =Myllita (Myllitella) vivens pinguis (Marwick, 1928) accepted, alternate representation
    Width 4.3mm, Height 4mm, Marine, Endemic
    Chatham Islands, common in beach drift ME.
  • Mysella alpha Powell, 1937
    Width 2.2mm, Height 1.6mm, Marine, Endemic
    Off Three Kings Islands, North Cape and East Cape AE.
  • Mysella beta Powell, 1937
    Width 3.3mm, Height 2.8mm, Marine, Endemic
    Off Three Kings Islands, off Cook Strait and Kermadec Islands KACE.
  • Mysella charcoti (Lamy, 1906)
    Width 3.5mm, Height 2.5mm, Marine, Endemic
    Macquarie Islands. Also South Georgia, South Shetland Islands, South Orkney Islands, Palmer Archipelago and Kerguelen Islands AnE.
  • Mysella henryi Fleming, 1948
    Width 3.8mm, Height 3mm, Marine, Endemic
    South Island. Fiordland FE.
  • Mysella hounselli (Powell, 1931)
    Width 6.3mm, Height 4.3mm, Marine, Endemic
    Off Northland to Stewart Island, and the Chatham Islands ACFME.
  • Mysella lachlani Dell, 1952
    Width 6mm, Height 5mm, Marine, Endemic
    Mernoo Bank, off Lyttelton, 95 metres CME.
  • Mysella larochei Powell, 1940
    Width 7.5mm, Height 5mm, Marine, Endemic
    Northland to Stewart Island. In shell sand ACFE.
  • Mysella macquariensis (Hedley, 1916)
    Width 3.3mm, Height 2.7mm, Marine, Endemic
    Macquarie Island AnE.
  • Mysella morioria Dell, 1952
    Width 7.5mm, Height 5.5mm, Marine, Endemic
    Chatham Islands ME.
  • Mysella tellinula (Odhner, 1924)
    Width 5.2mm, , Height 4.2mm, Marine, Endemic
    North Island. North Cape to Ahipara AE.
  • Mysella unidentata (Odhner, 1924)
    Width 3.3mm, Height 2.6mm, Marine, Endemic
    South Island. Stewart, Chathams, Antipodes, Auckland, Bounty, Campbell and Snares Islands FMAnE.
  • Tellimya aupouria (Ponder, 1968)
    Width 5mm, Height 3.1mm, Marine, Endemic
    Off Three Kings Islands and off Northland East Coast AE.
  • Tellimya benthicola Dell, 1956
    Length 3.6mm, Height 2.5mm, Marine, Endemic
    Off Chatham Islands, 600 metres, also off Bay of Plenty and South Island ME.
  • Tellimya reinga Crozier, 1966
    Length 12mm, Height 6mm, Marine, Endemic
    Off Three Kings Islands, 800 metres AE.
Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approximation of the range of each species within New Zealand.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
Fw =
L =
N =
North Island
S =
South Island
E =
I =
R =
Sf =
Fo =