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Key to 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 approxomation 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 =
E =
I =
Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Subclass) > Lepetelllida (Order) > Fissurelloidea (Superfamily) > Fissurellidae (Family) > Emarginulinae (Subfamily)
Fissurellidae: Emarginulinae
Genus: Corniseptamap >
Cornisepta festiva Crozier, 1966
Width 5mm, Height 5.5mm, Endemic
North of Three Kings Islands [A]
Genus: Emarginula (Emarginula)map >
Emarginula (Emarginula) striatula Quoy & Gaimard, 1834 (=E.s.valentior Finlay)
Length 33mm, Width 17mm, Slit Limpet. Endemic
North, South, Stewart, Chathams, Snares, Auckland and Bounty Islands. In beach drift and living below low tide [ACFMAn]
Genus: Emarginula (Subzeidora)map >
Kermadec Islands [K.]
Genus: Fissuriseptamap >
Length 1.5mm, Endemic
Off Three Kings Islands [A]
Genus: Monodilepasmap >
Length 20mm, Width 15mm, Endemic
Off Three Kings, Cape Maria van Diemen, Far North, 10-800 metres. Also off Taranaki [AC]
Monodilepas monilifera (Hutton, 1873)
Length 33mm, Width 24mm, Keyhole Limpet. Endemic
South Island and Snares Islands. In beach drift and trawled [F]
Length 14mm, Width 10mm, Endemic
Auckland Islands [An]
Length 11.5mm, Width 8.0mm, Height 3.1mm, Endemic
Mahia to Cook Strait [C]
Length 10.0mm, Width 8.1mm, Height 2.2mm, Endemic
Off Taiaroa Head, Otago [F]
Monodilepas skinneri Finlay, 1928
Length 28mm, Width 18mm, Endemic
Chatham Islands [M]
Genus: Puncturella (Puncturella)map >
Length 5.0mm, Width 3.6mm, Height 2.9mm
Chatham Rise [M]
Length 11.0mm, Width 7.7mm, Height 6.1mm
Macquarie Island, off Lusitania Bay, 69 metres [An]
Genus: Puncturella (Vacerrena)map >
Puncturella (Vacerrena) kesteveni Hedley, 1900 (=demissa Hedley)
Height 1.0mm, Width 1.2mm, Length 1.8mm, Endemic
Australia, Tweed Heads, NSW, to Cape Wiles, SA. New Zealand, Foveaux Strait, Stewart Island and Snares Islands. Also recently recorded from the Chatham Islands [FMAn]
Genus: Scutusmap >
Scutus breviculus (Blainville, 1817)
Length 103mm, Width 51mm, Shield Shell. Endemic
North, South and Stewart Island [ACF]
Genus: Tugalimap >
Tugali colvillensis Finlay, 1926
Length 21mm, Width 13mm, Height 8mm, Endemic
North and South Islands [ACF]
Tugali elegans Gray, 1843
Length 50mm, Width 30mm, Endemic
Northern part of North Island and Chatham Islands [ACFM]
Tugali stewartiana Powell, 1939
Length 57mm, Width 18mm, Height 10mm, Endemic. Less tapered anteriorly, and has much coarser sculpture - fewer, broader and flatter radials, fewer and stronger concentric ridges
Stewart Island and Foveaux Strait [F]
Tugali suteri (Thiele, 1916)
Length 15mm, Width 11mm, Endemic. Anal fasciole consists of two radial ribs, compared to three in T. elegans
North Island, Cook Strait and Chatham Islands [ACM]
Length 15mm, Width 10mm, Endemic. Radial ribs alternate in strength, and concentric riblets are much weaker, causing slight beading of the radials
Fiordland, South Island [F]
Genus: Zeidoramap >
Zeidora maoria Powell, 1937
Length 3mm, Endemic
Off Three Kings Islands [A]