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Taxonomy
Family:
CAECIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Caecidae (Family)
> Caecum (Genus)
> digitulum (Species)
Genus Synonyms:
=Caecum (Brochina) Gray, 1857
Synonymised Names:
=Caecum (Brochina) digitulum Hedley, 1904 accepted, alternate representation
=Caecum suteri Odhner, 1924
Images: Caecum digitulum Hedley, 1904
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Taxonomy
Family:
CAECIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Truncatelloidea (Superfamily)
> Caecidae (Family)
> Caecum (Genus)
> digitulum (Species)
Genus Synonyms:
=Caecum (Brochina) Gray, 1857
Synonymised Names:
=Caecum (Brochina) digitulum Hedley, 1904 accepted, alternate representation
=Caecum suteri Odhner, 1924
Details: Caecum digitulum Hedley, 1904
Size/Grows to:
Height 2.3mm, Width 0.5mm
Distribution:
Throughout NZ
Geographical Range:
ACFMAnE.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.128)
  • Mar/1972 Caecum digitulum Hedley, Poirieria, 6(3) (p.50)
  • Hedley, C. 1904 Additions to the marine molluscan fauna of New Zealand, Records of the Australian Museum, 5(2) (p.94) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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