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Taxonomy
Family:
AMPHIBOLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Pylopulmonata (Superorder)
> Amphiboloidea (Superfamily)
> Amphibolidae (Family)
> Amphibola (Genus)
> crenata (Species)
Genus Synonyms:
=Ampullacera Quoy & Gaimard, 1832
=Thallicera Swainson, 1840
Synonymised Names:
=Amphibola australis Schumacher, 1817
=Amphibola avellana (Bruguière, 1789)
=Amphibola crenata (Martyn, 1786)
=Amphibola obvoluta Jonas, 1846
=Bulimus avellana Bruguière, 1789
=Cyclostrema obliquata Hutton, 1885
=Helix crenata Gmelin, 1791
=Limax crenata Martyn, 1786
Images: Amphibola crenata (Gmelin, 1791)
On mud flats around Auckland. 25mm. © rights reserved
The Mud Snail found commonly on high-tidal mud flats. © rights reserved
Showing the faecal mud ring which houses the egg mass. Houhora Harbour, on mud flats, Far North, NZ. 25mm. © rights reserved
Taxonomy
Family:
AMPHIBOLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Pylopulmonata (Superorder)
> Amphiboloidea (Superfamily)
> Amphibolidae (Family)
> Amphibola (Genus)
> crenata (Species)
Genus Synonyms:
=Ampullacera Quoy & Gaimard, 1832
=Thallicera Swainson, 1840
Synonymised Names:
=Amphibola australis Schumacher, 1817
=Amphibola avellana (Bruguière, 1789)
=Amphibola crenata (Martyn, 1786)
=Amphibola obvoluta Jonas, 1846
=Bulimus avellana Bruguière, 1789
=Cyclostrema obliquata Hutton, 1885
=Helix crenata Gmelin, 1791
=Limax crenata Martyn, 1786
Details: Amphibola crenata (Gmelin, 1791)
Size/Grows to:
Height 39mm
Distribution:
North, South, Stewart and Chatham Islands
Notes:
Mud Snail, Karahu, Marine, Native - Endemic, On high-tidal mud flats
View Distribution Map
References and Publications
  • Hayward, B.W. Sep/2009 Mass mating of the mud snail, Amphibola crenata, Poirieria, 34 (p.23)
  • Golding, R.E., Ponder, W.F., Byrne, M. 2007 Taxonomy and anatomy of Amphiboloidea (Gastropoda: Heterobranchia: Archaeopulmonata), Zootaxa, 1476 (p.7)
  • Walsby, J.R., Morton, J.E. 1982 Chitons, Limpets & Topshells & Pulmonates (Amphineura, Archaeogastropoda & Pulmonata), Marine Molluscs, University of Auckland, Leigh Marine Laboratory, 1 (p.77)
  • Gardner, N.W. May/1980 Amphibola crenata (Gmelin, 1791), Poirieria, 10(5) (p.82)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.294)

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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