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Taxonomy
Family:
EPITONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Epitonioidea (Superfamily)
> Epitoniidae (Family)
> Gyroscala (Genus)
> commutata (Species)
Genus Synonyms:
=Cirsotrema (Gyroscala) de Boury, 1887
=Epitonium (Gyroscala) de Boury, 1887
=Gyroscala (Pomiscala) Iredale, 1936
=Pictoscala Dall, 1917
=Pomiscala Iredale, 1936
Synonymised Names:
=Cirsotrema perplexa (Pease, 1868)
=Epitonium (Gyroscala) lamellosum (Lamarck, 1822) accepted, alternate representation
=Epitonium lamellosum (Lamarck, 1822)
=Epitonium perplexum (Pease, 1868)
=Gyroscala (Pomiscala) lamellosa (Lamarck, 1822) accepted, alternate representation
=Scalaria lamellosa Lamarck, 1822
Images: Gyroscala commutata (Monterosato, 1877)
Tokerau Beach, Doubtless Bay, NZ. © rights reserved
Taxonomy
Family:
EPITONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> [unassigned] Caenogastropoda (Order)
> Epitonioidea (Superfamily)
> Epitoniidae (Family)
> Gyroscala (Genus)
> commutata (Species)
Genus Synonyms:
=Cirsotrema (Gyroscala) de Boury, 1887
=Epitonium (Gyroscala) de Boury, 1887
=Gyroscala (Pomiscala) Iredale, 1936
=Pictoscala Dall, 1917
=Pomiscala Iredale, 1936
Synonymised Names:
=Cirsotrema perplexa (Pease, 1868)
=Epitonium (Gyroscala) lamellosum (Lamarck, 1822) accepted, alternate representation
=Epitonium lamellosum (Lamarck, 1822)
=Epitonium perplexum (Pease, 1868)
=Gyroscala (Pomiscala) lamellosa (Lamarck, 1822) accepted, alternate representation
=Scalaria lamellosa Lamarck, 1822
Details: Gyroscala commutata (Monterosato, 1877)
Size/Grows to:
Height 32mm, Width 13mm
Distribution:
Indo-Pacific, Atlantic, Arabian Gulf, Red Sea, Mediterranean and northern New Zealand. Raoul Island and Great Exhibition Bay, from 0-42m
Notes:
Marine, Native - Non-endemic
Description:
Umbilicus is closed, there is a spiral rib on the base of the body whorl, and a brown band is present at the top of whorls

Distribution Map
 
References and Publications

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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