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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. © rights reserved
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:
Middlesex and King Banks, and Three Kings, North, South, Stewart, Snares and Chatham Islands. Introduced to Tasmania, Australia, from 0-550m
Type Data:
  • Between Cornwallis Wharf and Big Muddy Creek, Manukau Harbour, Auckland, NZ, (holotype)
  • Off Tasman Bay, NZ, (holotype)
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Cresswell, P.L. Nov/2024 New Zealand Record, Cookia, 36 (p.2024)
  • 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)

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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