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Taxonomy
Family: Subfamily:
FISSURELLIDAE: EMARGINULINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Lepetelllida (Order)
> Fissurelloidea (Superfamily)
> Fissurellidae (Family)
> Emarginulinae (Subfamily)
> Tugali (Genus)
> stewartiana (Species)
Genus Synonyms:
=Emarginula (Tugali) Gray, 1843
=Subemarginula (Tugalia) Gray, 1843
=Tugalia Gray, 1857
Images: Tugali stewartiana Powell, 1939
Dredged off Stewart Island, NZ. 16mm
Holotype, Ringaringa, Stewart Island, NZ (MA72154). © Auckland Museum (CC-BY)
Holotype, Ringaringa, Stewart Island, NZ (MA72154). © Auckland Museum (CC-BY)
Holotype, Ringaringa, Stewart Island, NZ (MA72154). © Auckland Museum (CC-BY)
Taxonomy
Family: Subfamily:
FISSURELLIDAE: EMARGINULINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Lepetelllida (Order)
> Fissurelloidea (Superfamily)
> Fissurellidae (Family)
> Emarginulinae (Subfamily)
> Tugali (Genus)
> stewartiana (Species)
Genus Synonyms:
=Emarginula (Tugali) Gray, 1843
=Subemarginula (Tugalia) Gray, 1843
=Tugalia Gray, 1857
Details: Tugali stewartiana Powell, 1939
Size/Grows to:
Length 57mm, Width 18mm, Height 10mm
Distribution:
Stewart Island and Foveaux Strait
Notes:
Native - Endemic, Less tapered anteriorly, and has much coarser sculpture - fewer, broader and flatter radials, fewer and stronger concentric ridges
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.40)
  • Powell, A.W.B. 1939 The Mollusca of Stewart Island., Records of the Auckland Institute and Museum, 2 (p.227) Original Description

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

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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