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Taxonomy
Family:
PYRAMIDELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Besla (Genus)
> insularis (Species)
Genus Synonyms:
=Odostomia (Besla) Dall & Bartsch, 1904
Synonymised Names:
=Chrysallida insularis (W.R.B. Oliver, 1915)
=Pyrgulina insularis W.R.B. Oliver, 1915
Images: Besla insularis (W.R.B. Oliver, 1915)
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Taxonomy
Family:
PYRAMIDELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> 'Lower Heterobranchia' (Infraclass)
> Pyramidelloidea (Superfamily)
> Pyramidellidae (Family)
> Besla (Genus)
> insularis (Species)
Genus Synonyms:
=Odostomia (Besla) Dall & Bartsch, 1904
Synonymised Names:
=Chrysallida insularis (W.R.B. Oliver, 1915)
=Pyrgulina insularis W.R.B. Oliver, 1915
Details: Besla insularis (W.R.B. Oliver, 1915)
Distribution:
Kermadec Islands
Geographical Range:
K
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • 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.229)
  • Oliver, W.R.B. 1915 The Mollusca of the Kermadec Islands, Transactions and Proceedings of the New Zealand Institute, 47 (p.531) Original Description

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
R =
Recent
Sf =
Subfossil
Fo =
Fossil