New Zealand Shells: Land & Freshwater


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LAND SNAILS

See more, including living specimens, at iNaturalistNZ

RHYTIDIDAE

Schizoglossa novoseelandica
L:N.E. in bush, grows to 26mm.

Schizoglossa worthyae
L:N.E. in bush, grows to 32mm.

Schizoglossa novoseelandica barrierensis
L:Gt Barrier.E. in bush and scrub, grows to 20mm.

Schizoglossa major (subrecent)
L:N.E. in limestone crevices, grows to 50mm.

Schizoglossa gigantea (subrecent)
L:N.E. in rocky areas and caves, grows to 35mm.

Schizoglossa gigantea (recent)
L:N.E. in rocky areas and caves, grows to 35mm.

Amborhytida dunniae
L:N.E. in bush and scrub, grows to 28mm.

Amborhytida duplicata (vivens form)
L:N.E. in far north bush and scrub, grows to 22mm.

Amborhytida duplicata (subrecent)
L:N.E. in far north sand dunes, grows to 26mm.

Amborhytida forsythi
L:N.E. in leaf litter, grows to 14mm.

Rhytida greenwoodi
L:N.E. in bush and scrub, grows to 27mm.

Rhytida greenwoodi webbi
L:S.E. in bush and scrub, grows to 28mm.

Rhytida otagoensis
L:S.E. in bush and scrub, grows to 18mm.

Rhytida citrina
L:S.E. in bush and scrub, grows to 22mm.

Rhytida cf. patula
L:S.E. in bush and scrub, grows to 22mm.

Rhytida meesoni
L:S.E. in bush and scrub, grows to 12mm.

Rhytida meesoni perampla
L:S.E. in bush and scrub, grows to 18mm.

Rhytida oconnori (hadfieldi form)
L:S.E. in bush and scrub, grows to 34mm.

Rhytida stephenensis
L:S.Stephens.E. in scrub, grows to 32mm.

Rhytida sp.
Unknown.

Wainuia urnula
L:N.E. in bush and scrub, grows to 28mm.

Wainuia clarki
L:N.E. in bush and scrub, grows to 26mm.

Wainuia edwardi
L:S.E. in bush and scrub, grows to 34mm.

Wainuia edwardi (fallai form)
L:S.E. in bush and scrub, grows to 34mm.

Wainuia nasuta
L:S.D'Urville.E. in bush and scrub, grows to 28mm.

Delos jeffreysiana
L:N.E. in leaf litter, grows to 7mm.
CHAROPIDAE

Charopa coma
L:N.S.Chat.E. grows to 7mm.

Phenacohelix ponsonbyi
L:N.E. grows to 6mm.

Neophenacohelix ziczac
L:N.E. grows to 8mm.

Suteria ide
L:N.S.E. grows to 9mm.

Therasia decidua
L:N.S.E. grows to 9.5mm.

Thalassohelix igniflua
L:S.E. grows to 15.5mm.

Thalassohelix chathamensis
L:Chat.E. in scrub, grows to 7mm.

Phacussa fulminata
L:Stew.E. grows to 12mm.

Serpho kivi
L:N.E. grows to 10mm.
OXYCHILIDAE, GEOMITRIDAE, HELICIDAE

Oxychilus cellarius
L:N.S. grows to 13mm.

Xeroplexa intersecta
L:N.S. grows to 10mm.

Cochlicella barbara
L:N. grows to 8mm.

Cornu aspersum
L:N.S.Chat. grows to 39mm.
PUPINIDAE

Liarea bicarinata
L:N.E. grows to 7mm.

Liarea hochstetteri
L:N.E. grows to 10mm.

Liarea hochstetteri carinella
L:N.E. grows to 9mm.

Liarea aupouria
L:N.E. grows to 14mm.

Liarea turriculata
L:N.E. grows to 13mm.
SUCCINEIDAE

Succinea archeyi
L:N.S.E. grows to 12mm.

See Paryphanta, including living specimens, at iNaturalistNZ

See Powelliphanta, including living specimens, at iNaturalistNZ

See Placostylus, including living specimens, at iNaturalistNZ


FRESHWATER


LATIIDAE

Latia climoi
FW:N.E. grows to 8mm.

Latia lateralis
FW:N.E. grows to 8mm.
PHYSIDAE, PLANORBIDAE

Physella acuta
FW:N.S. in still water, grows to 16mm.

Glyptophysa variabilis
FW:N.S.E. in still water, grows to 25mm.

Gyraulus corinna
FW:N.S.E. grows to 4mm.

Gyraulus kahuica
FW:N.E. grows to 6mm.

Planorbarius corneus
FW:N. in lakes, grows to 21mm.
ZEMELANOPSIDAE

Zemelanopsis trifasciata
FW:N.S.E. in streams and lakes, grows to 38mm.
TATEIDAE

Potamopyrgus antipodarum
FW:N.S.E. grows to 12mm.

Potamopyrgus antipodarum (corolla form)
FW:N.S.E. grows to 12mm.
LYMNAEIDAE

Lymnaea stagnalis
FW:N.S. in lakes, grows to 36mm.

Austropeplea tomentosa
FW:N.S.E. in still ponds and swamps, grows to 18mm.
SPHAERIIDAE

Cyclocalyx novaezelandiae
FW:N.S.Stew.E. grows to 6mm.
HYRIIDAE

Echyridella menziesii
FW:N.S.E. in streams and lakes, grows to 92mm.

Echyridella menziesii (hochstetteri form)
FW:N.E. in lakes, grows to 75mm.

Echyridella menziesii (inflated hochstetteri form)
FW:N.E. in lakes, grows to 75mm.

Echyridella menziesii (acuta form)
FW:N.E. in lakes, grows to 90mm.

Echyridella menziesii (depauperata form)
FW:N.E. in lakes, grows to 90mm.

Echyridella onekaka
FW:S.E. in streams and lakes, grows to 75mm.

Echyridella aucklandica
FW:N.S.E. in streams and lakes, grows to 107mm.

Echyridella aucklandica (websteri form)
FW:N.E. in streams and lakes, grows to 107mm.

Echyridella aucklandica (websteri form)
FW:N.E. in streams and lakes, grows to 107mm.

Echyridella aucklandica (delli form)
FW:N.E. in streams and lakes, grows to 80mm.

Echyridella aucklandica (delli form)
FW:N.E. in streams and lakes, grows to 80mm.
See more Freshwater Mussels, including living specimens, at iNaturalistNZ