A thin white ribbed Pūpū Tarakihi (Paper Nautilus) shell covered in small nodules on the ridges of the shell. A shell made by a female knobbed argonaut argonauta nodosa octopus to protect her eggs. Produced from a thin horn-like secretion from two tentacles. These shells can be found around Tūhua (also known as Mayor Island) near Tauranga, as well as in South America and South Africa.
The Cask or Tun shell (Tonna Variegata) is a large rounded univalve pale yellow in colour with brown spots. Inside the shell is yellow and glossy. Live shells have been found on Matakana Island and have been picked up on Mount Maunganui beaches.
maker: Knobbed Argonaut Octopus
maximum dimension: 120mm
subject area: Social Science, Science
subject themes: Sea, Environment, Shell, Mount Maunganui, Matakana Island, Mayor Island
handling collection number: HC117/1-2
why not get your hands on these... Collection of New Zealand Shells HC113