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Taxonomy
Family: Subfamily:
TURRITELLIDAE: TURRITELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Cerithioidea (Superfamily)
> Turritellidae (Family)
> Turritellinae (Subfamily)
> Maoricolpus (Genus)
> roseus (Species)
Genus Synonyms:
=Turritella (Maoricolpus) Finlay, 1926
Synonymised Names:
=Maoricolpus proroseus Marwick, 1931
=Maoricolpus roseus manukauensis Powell, 1931
=Turritella (Haustator) rosea Quoy & Gaimard, 1834
=Turritella difficilis Suter, 1908
=Turritella lineolata Kiener, 1843
=Turritella rosea Quoy & Gaimard, 1834
Images: Maoricolpus roseus (Quoy & Gaimard, 1834)
In beach drift, Bland Bay, Northland, NZ. 69mm
Holotype, dredged between Cornwallis Wharf and Big Muddy Creek, Manukau Harbour, Auckland, NZ (MA70436). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
TURRITELLIDAE: TURRITELLINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Cerithioidea (Superfamily)
> Turritellidae (Family)
> Turritellinae (Subfamily)
> Maoricolpus (Genus)
> roseus (Species)
Genus Synonyms:
=Turritella (Maoricolpus) Finlay, 1926
Synonymised Names:
=Maoricolpus proroseus Marwick, 1931
=Maoricolpus roseus manukauensis Powell, 1931
=Turritella (Haustator) rosea Quoy & Gaimard, 1834
=Turritella difficilis Suter, 1908
=Turritella lineolata Kiener, 1843
=Turritella rosea Quoy & Gaimard, 1834
Details: Maoricolpus roseus (Quoy & Gaimard, 1834)
Size/Grows to:
Height 94mm, Width 28mm
Distribution:
North, South, Stewart and Chatham Islands. Introduced to Tasmania, Australia
Geographical Range:
ACFME.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Donald, K.M., Spencer, H.G. 2015 New Zealand screw shells Maoricolpus roseus (Gastropoda: Turritellidae): two species, two subspecies or a single variable species?, Molluscan Research, 35(2) (p.123)
  • Wotton, M.A., Dawson, E.W. Nov/2004 Maoricolpus roseus - a washup & a commentary, Cookia, 16 (p.57)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.125)

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.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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