NZ Mollusca

Monoplex parthenopeus (von Salis, 1793)

Monoplex parthenopeus
Found from low tide down to about 25 fathoms, 87mm
Monoplex parthenopeus
From deep water off Bream Bay, Northland, 135mm
Monoplex parthenopeus
Low tide, Karikari Peninsula, Northland, 65mm
Classification: Mollusca - Gastropoda - Caenogastropoda - Littorinimorpha - Cymatiidae - Monoplex
Size/Grows to: Height 130mm, Width 75mm
Distribution: North, South and Chatham Islands. Also Australia [K.A.C.F.M.]
Notes: Hairy Trumpet
Some known Localities
  • NE of Norfolk Island, Australia
  • E of Dayrell Islet, Raoul Island, Kermadec Islands
  • East Anchorage, Raoul Island, Kermadec Islands
  • Off Lord Howe Island, Australia
  • Parengarenga Harbour, Far North, NZ
  • Tutukaka Harbour, Whangarei, Northland, NZ
  • McLeods Bay, Whangarei Harbour, Northland, NZ
  • Whangarei Heads, Northland, NZ
  • Bream Bay, Whangarei, Northland, NZ
  • Off E side of Mayor Island, 59-74 metres, Bay of Plenty, NZ *2
  • Off White Island, 73-59 metres, Bay of Plenty, NZ
  • Omaio Bay, Te Kaha, Bay of Plenty, NZ
  • Jackson's Reef, off Raglan, Waikato, NZ
  • Off Hapuka Rock, Seal Rocks, Sugar Loaf Islands, New Plymouth, Taranaki, NZ *2
  • Off Cape Kidnappers, Hawkes Bay, NZ
  • Off Wanganui, NZ
  • Inside Farewell Spit, 26-24 metres, Tasman, NZ *2
  • Naples, Italy, (holotype)
  • Off Kapiti Island, NZ
  • Tasman Bay, Nelson, NZ
  • Tasmania region, Australia
  • Kaingaroa, Chatham Islands, NZ
  • Open Cove, Thompson Sound, 40 feet, Fiordland, NZ *2
more localities
  • Lakeman, P. Nov/2009: Cymatium parthenopeum, Cookia, 21 (p.16)
  • Brook, F.J., Marshall, B.A. 1998: The coastal molluscan fauna of the northern Kermadec Islands, southwest Pacific Ocean, Journal of the Royal Society of New Zealand, 28 (p.220)
  • Morley, M.S. Oct/1995: A Small Point - Features of the Protoconchs of Cymatium parthenopeum parthenopeum (Salis, 1793) and Cabestana spengleri (Perry, 1811): Ranellidae, Poirieria, 17(4)
  • Douglas, W.N. Aug/1985: Periostracum preservation, Poirieria, 14(2) (p.10)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.165)
  • Beu, A.G. 1970: The Mollusca of the Subgenus Monoplex (Family Cymatiidae), Transactions of the Royal Society of New Zealand, 17 (p.225)

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