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 =

Sukashitrochus lyallensis (Finlay, 1926)

Classification:Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Subclass) > Lepetelllida (Order) > Scissurelloidea (Superfamily) > Scissurellidae (Family) > Sukashitrochus (Genus)
Size/Grows to:Height 1.5mm, Width 1.8mm
Distribution:North, South and Stewart Island. In shell sand and alive on under sides of stones. Also recently recorded from the Chatham Islands
Geographical Range:[K.ACFMAn]
References and Publications:
  • Marshall, B.A., Walton, K. 2015: New records of intertidal and shallow sub-tidal (to 30 m) Mollusca from the Chatham Islands, Cookia, 27 (p.3)
  • Geiger, D.L. 2012: Monograph of the Little Slit Shells 1, Introduction, Scissurellidae, Santa Barbara Museum of Natural History, Santa Barbara, CA (p.627)
  • Marshall, B.A. 1993: The systematic position of Larochea Finlay, 1927, and introduction of a new genus and two new species (Gastropoda: Scissurellidae), Journal of Molluscan Studies, 59 (p.286)
  • McLean, J.H. 1989: New slit-limpets (Scissurellacea and Fissurellacea) from hydrothermal vents. Part 1: Systematic descriptions and comparisons based on shell and radular characters, Contributions in Science, Natural History Museum of Los Angeles County, 407 (p.3)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.35)

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