# List of marine molluscs of New Zealand

This is a list of the marine molluscs of the country of New Zealand, which are a part of the molluscan fauna of New Zealand, which is a part of the biodiversity of New Zealand.
Marine molluscs include marine gastropods (sea snails and sea slugs), bivalves (such as pipis, cockles, oysters, mussels, scallops), octopuses, squid and other classes of Mollusca. This list does not include the land and freshwater species.

## Aplacophora

* Proneomenia quincarinata

## Polyplacophora

Acanthochitonidae
* Acanthochitona thileniusi
* Acanthochitona zelandica
* Craspedochiton rubiginosus - Craspedochiton rubiginosus rubiginosus, Craspedochiton rubiginosus oliveri
* Cryptoconchus porosus
* Notoplax aupouria
* Notoplax cuneata
* Notoplax facilis
* Notoplax latalamina
* Notoplax mariae
* Notoplax violacea
* Notoplax websteri
Mopaliidae
* Aerilamma murdochi
* Diaphoroplax biramosus
* Frembleya egregia
* Guildingia obtecta
* Maorichiton caelatus
* Maorichiton schauinslandi
* Plaxiphora australis
Callochitonidae
* Callochiton crocinus
* Callochiton empleurus
* Callochiton kapitiensis
* Callochiton mortenseni
Chitonidae
* Chiton glaucus
* Onithochiton marmoratus
* Onithochiton neglectus - Onithochiton neglectus neglectus, Onithochiton neglectus opiniosus, Onithochiton neglectus subantarcticus
* Rhyssoplax aerea - Rhyssoplax aerea aerea, Rhyssoplax aerea huttoni
* Rhyssoplax canaliculata
* Rhyssoplax chathamensis
* Rhyssoplax clavata
* Rhyssoplax stangeri
* Rhyssoplax suteri
* Sypharochiton pelliserpentis
* Sypharochiton sinclairi
* Sypharochiton torri
Callochitonidae
* Eudoxochiton nobilis
Ischnochitonidae
* Ischnochiton circumvallatus
* Ischnochiton granulifer
* Ischnochiton luteoroseus
* Ischnochiton maorianus
Leptochitonidae
* Lepidopleurus finlayi
* Lepidopleurus inquinatus
* Lepidopleurus otagoensis
Loricidae
* Lorica haurakiensis

## Gastropoda

Nacellidae
* Cellana radians – golden limpet
Fissurellidae (keyhole limpets and slit limpets)
* Cornisepta festiva
* Monodilepas diemenensis
* Monodilepas otagoensis
* Scutus breviculus Blainville, 1817
Haliotidae
* Haliotis iris – paua
Calliostomatidae
* Calliostoma selectum – select maurea
* Selastele onustum
Trochidae (top snails)
* Diloma subrostrata – mudflat top shell
* Fossarina rimata
* Herpetopoma alacerrimum
* Herpetopoma bellum
* Herpetopoma benthicola
* Herpetopoma larochei
* Herpetopoma mariae
* Homalopoma crassicostata
* Homalopoma fluctuata
* Homalopoma imperforata
* Homalopoma micans
* Homalopoma nana
* Homalopoma rotella
* Homalopoma umbilicata
* Homalopoma variecostata
Turbinidae
* Astraea heliotropium – circular saw shell
* Cookia sulcata – Cook's turban
* Lunella smaragda – cat's eye
Neritidae
* Nerita melanotragus – black nerite
Batillariidae
* Zeacumantus lutulentus – koeti (a horn shell)
Turritellidae
* Maoricolpus roseus
Littorinidae (periwinkles)
* Austrolittorina antipodum – banded periwinkle
Rissoidae
* Alvania gallinacea
* Alvania gradatoides
Struthiolariidae
* Struthiolaria papulosa – ostrich foot
Ranellidae
* Charonia tritonis – giant triton
* Fusitriton retiolus
* Monoplex parthenopeus – giant triton
* Ranella olearium (Linnaeus, 1758) – wandering triton
Hipponicidae (hoof snails)
* Hipponix conicus wyattae
Buccinidae (whelks)
* Cominella glandiformis – mud whelk
Muricidae
* Poirieria zelandica – spiny murex
Volutidae
* Alcithoe arabica – Arabic volute
* Iredalina mirabilis – golden volute
Olividae
* Amalda australis – southern olive
Epitoniidae (wentletraps)
* Funiscala maxwelli
* Murdochella alacer
Janthinidae
* Janthina janthina – violet snail
Okadaiidae
* Vayssierea cinnabarea
Facelinidae
* Babakina caprinsulensis
Bullidae
* Bulla quoyii – brown bubble snail
Siphonariidae
* Benhamina obliquata
Amphibolidae
* Amphibola crenata – mud-flat snail
Onchidiidae
* Onchidella nigricans

## Bivalvia

Mesodesmatidae
* Paphies australis – pipi
* Paphies subtriangulata – tuatua
* Paphies ventricosa – toheroa
Tellinidae
* Macomona liliana – large wedge shell
Veneridae
* Austrovenus stutchburyi – New Zealand cockle
* Dosinia anus – ringed dosinia
Ostreidae
* Saccostrea cucullata – rock oyster
* Tiostrea chilensis – Bluff oyster
Pectinidae
* Pecten novaezelandiae – New Zealand scallop
* Talochlamys zelandiae – New Zealand fan shell
Mytilidae
* Gigantidas gladius
* Mytilus edulis – blue mussel
* Perna canaliculus – New Zealand green-lipped mussel
Pinnidae
* Atrina zelandica – horse mussel

## Scaphopoda

Gadilidae
* Cadulus colubridens
* Cadulus delicatulus
* Cadulus teliger
Dentaliidae
* Dentalium diarrhox
* Dentalium ecostatum
* Dentalium glaucarena
* Dentalium nanum
* Dentalium suteri
* Dentalium tiwhana
* Dentalium zelandicum

## Cephalopoda

Spirulidae
* Spirula spirula – ram's horn squid
Sepiadariidae
* Sepioloidea pacifica – Pacific bobtail squid
Sepiolidae
* Iridoteuthis maoria
Cranchiidae
* Mesonychoteuthis hamiltoni – colossal squid
Histioteuthidae
* Histioteuthis reversa – reverse jewel squid
Octopodidae
* Pinnoctopus cordiformis – common New Zealand octopus
Argonautidae
* Argonauta nodosa – knobby argonaut