New Zealand Shells: Polyplacophora, Scaphopoda, and Cephalopoda


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POLYPLACOPHORA

See more, including living specimens, at iNaturalistNZ

LEPTOCHITONIDAE, ISCHNOCHITONIDAE, CALLOCHITONIDAE, LORICIDAE

Leptochiton inquinatus
A.C.F.An.E. under intertidal stones, grows to 15mm.

Ischnochiton maorianus
A.C.F.M.E. intertidal, grows to 45mm.

Ischnochiton circumvallatus
F.An. intertidal, grows to 22mm.

Eudoxochiton nobilis
K.A.C.F.E. intertidal, grows to 111mm.

Lorica haurakiensis
A.C.F.E. from 0-50m, grows to 50mm.
CHITONIDAE

Rhyssoplax aerea
A.C.F.An.E. at and below low tide, grows to 40mm.

Rhyssoplax aerea
A.C.F.An.E. at and below low tide, grows to 40mm.

Rhyssoplax aerea (huttoni form)
A.C.F.An.E. at and below low tide, grows to 40mm.

Rhyssoplax stangeri
A.C.F.E. from 0-40m, grows to 20mm.

Rhyssoplax canaliculata
A.C.F.M.E. from 5-100m, grows to 30mm.

Rhyssoplax sp.
Unknown.

Chiton glaucus
A.C.F.E. intertidal, grows to 55mm.

Sypharochiton pelliserpentis
A.C.F.M. above mid tide, grows to 45mm.

Sypharochiton sinclairi
A.C.F.E. at low tide, grows to 28mm.

Onithochiton neglectus
A.C.F.M.An.E. on low tide rocks, grows to 50mm.

Onithochiton neglectus (opiniosus form)
A.C.F.M.An.E. under giant kelp holdfasts, grows to 32mm.
MOPALIIDAE

Plaxiphora caelata
K.A.C.F.M.E. on mid to low tide rocks, grows to 45mm.

Plaxiphora caelata
K.A.C.F.M.E. on mid to low tide rocks, grows to 45mm.

Plaxiphora caelata (sehauinslandi form)
K.A.C.F.M.E. on mid to low tide rocks, grows to 45mm.

Plaxiphora obtecta
A.C.F.E. intertidal, grows to 90mm.

Plaxiphora biramosa
A.C.F.M.An.E. on low tide rocks, grows to 60mm.

Plaxiphora egregia
C.F.E. under the holdfast of giant kelp, grows to 26mm.

Plaxiphora boydeni
C.F.M.An.E. on low tide rocks, grows to 15mm.
ACANTHOCHITONIDAE

Acanthochitona zelandica
A.C.F.An.E. from 0-30m, grows to 32mm.

Cryptoconchus porosus
A.C.F.M.E. from 0-20m, grows to 80mm.

Notoplax violacea
A.C.F.M.E. at low tide, grows to 60mm.

Notoplax mariae
A.C.F.E. from 0-50m, grows to 40mm.

Pseudotonicia cuneata
A.C.E. from 0-10m, grows to 42mm.

Notoplax rubiginosa
A.C.F.M.E. from 10-100m, grows to 30mm.

SCAPHOPODA


DENTALIIDAE, GADILIDAE

Antalis nana
A.C.F.E. from 10-700m, grows to 47mm.

Fissidentalium zelandicum
A.C.F.M.E. from 50-1200m, grows to 102mm.

Antalis suteri
C.F.M.E. from 40-500m, grows to 46mm.

Siphonodentalium delicatulum
A.C.F.M.E. from 40-700m, grows to 14mm.

Antalis maestratii
A. from 400-1100m, grows to 80mm.

CEPHALOPODA


SPIRULIDAE, ARGONAUTIDAE, NAUTILIDAE

Spirula spirula
K.A.C.F.M. wash up on beaches, grows to 25mm.

Argonauta nodosus
K.A.C.F.M. from 10-40m, grows to 249mm.

Argonauta nodosus (tuberculata form)
K.A. from 10-40m, grows to 150mm.

Argonauta argo
K.A.C. from 10-40m, grows to 202mm.

Argonauta hians
K.A. from 10-40m, grows to 60mm.

Nautilus macromphalus
K.A. drifted from New Caledonia, grows to 138mm.