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, grow to 26mm

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

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

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

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

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

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

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

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

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

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

Rhytida greenwoodi (subfossil)
L:N.E. in bush and scrub, grow to 27mm

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

Rhytida australis
L:Stewart.E. in bush, grow to 15mm

Rhytida australis (subfossil)
L:Native.E. in scrub, grow to 17mm

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

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

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

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

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

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

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

Rhytida sp.
Unknown

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

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

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

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

Wainuia nasuta
L:S.D'Urville.E. in bush and scrub, grow to 31mm

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

Charopa coma
L:N.S.Chatham.E. grow to 7mm.

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

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

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

Thalassohelix chathamensis
L:Chatham.E. in scrub, grow to 7mm

Thalassohelix zelandiae (subrecent)
L:N.S.Chatham.E. grow to 12mm

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

Therasia thaisa
L:S.Stewart.E. grow to 11mm

Serpho kivi
L:N.E. grow to 10mm

Thermia cressida
L:S.Stewart.E. on tree trunks, grow to 13mm

Phacussa fulminata
L:Stewart.E. grow to 12mm
OXYCHILIDAE, GEOMITRIDAE, HELICIDAE, SUCCINEIDAE

Oxychilus cellarius
L:N.S. grow to 17mm

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

Cochlicella barbara
L:N. grow to 10mm.

Cornu aspersum
L:N.S.Chatham. grow to 39mm

Succinea archeyi
L:N.S.E. grow to 12mm
PUPINIDAE

Liarea turriculata
L:N.E. grow to 13mm

Liarea turriculata partula
L:N.E. grow to 9mm

Liarea turriculata waipoua
L:N.E. grow to 11mm

Liarea egea
L:N.E. grow to 8mm

Liarea egea tessellata
L:N.E. grow to 10mm

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

Liarea aupouria tara
L:N.E. grow to 10mm

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

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

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

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

Liarea sp.
Unknown

See Paryphanta, including living specimens, at iNaturalistNZ

See Powelliphanta, including living specimens, at iNaturalistNZ

See Placostylus, including living specimens, at iNaturalistNZ


Freshwater Molluscs


LATIIDAE

Latia neritoides
FW:N.E. grow to 11mm

Latia lateralis
FW:N.E. grow to 11mm

Latia climoi
FW:N.E. grow to 11mm
PHYSIDAE, PLANORBIDAE

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

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

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

Planorbarius corneus
FW:N.S. in lakes, grow to 28mm

Gyraulus corinna
FW:N.S.E. grow to 4mm
ZEMELANOPSIDAE

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

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

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

Lymnaea stagnalis
FW:N.S. in lakes, grow to 42mm

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

Euglesa novaezelandiae
FW:N.S.Stewart.E. grow to 6mm
CYRENIDAE

Corbicula fluminea
FW:N. Waikato River, grow to 30mm
HYRIIDAE

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

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

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

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

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

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

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

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

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

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

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