Mollusks
Mollusks or molluscs, are soft-bodied invertebrates of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.
Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. Cephalopod molluscs, such as squid, cuttlefish, and octopuses, are among the most neurologically advanced of all invertebrates—and either the giant squid or the colossal squid is the largest known invertebrate species. The gastropods (snails and slugs) are by far the most numerous molluscs and account for 80% of the total classified species. Molluscs have, for centuries, also been the source of important luxury goods, notably pearls, mother of pearl, Tyrian purple dye, and sea silk. Their shells have also been used as money in some preindustrial societies.
Pusit (Squid) / Pugita (Octopus) / Kibit (Chiton) / Lagang (Nautilus) / Kuhol (Snail) / Kabibe (Clams) / Talaba (Oyster) / Tahong (Mussel) / Hibya (Cuttlefish) / Lintang-kati (Slug) / Lintang-kati Dagat (Nudibranch)
List of Mollusks
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Shells (Bivalvia)
The Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bivalves have no head and they lack some usual molluscan organs, like the radula and the odontophore. The class includes the clams, oysters, cockles, mussels, scallops, and numerous other families that live in saltwater, as well as a number of families that live in freshwater. The majority are filter feeders. The gills have evolved into ctenidia, specialised organs for feeding and breathing. Most bivalves bury themselves in sediment, where they are relatively safe from predation. Others lie on the sea floor or attach themselves to rocks or other hard surfaces. Some bivalves, such as the scallops and file shells, can swim. The shipworms bore into wood, clay, or stone and live inside these substances.
Nut Shells (Palaeotaxodonta)
Mussels (Mytilida)
Cockles (Cardiida)
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Helcionelloida
The Helcionelloida is an extinct group of ancient molluscs (phylum Mollusca). These are the oldest known conchiferan molluscs, that is, they had a mineralised shell. Some members of this class were mistaken for Monoplacophorans.
†Latouchella costata
†Yochelcionella cyrano
†Pelagiella atlantoides
Gastropods (Gastropoda)
The gastropods, commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda. Snails and slugs from freshwater, saltwater, and land are included in this class. Along with freshwater snails, freshwater limpets, and land snails and slugs, there are tens of thousands of species of sea snails and slugs.
Snails
Roman Snail (Helix pomatia)
Garden Snail (Cornu aspersum)
Grove Snail, Brown-lipped Snail or Lemon Snail (Cepaea nemoralis)
White-lipped Snail or Garden Sanded Snail (Cepaea hortensis)
Chocolate-band Snail (Eobania vermiculata)
Lou Carcolh (Gigantohelix gasconica)
Half-snails
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Limpets
Common Limpet (Patella vulgata)
Abalones
Ass's-ear Abalone (Haliotis asinina)
Slugs
European Black Slug (Arion ater)
Polycera aurantiomarginata
Chitons (Polyplacophora)
The Chitons are marine molluscs of varying size in the class Polyplacophora, formerly known as Amphineura. About 940 extant and 430 fossil species are recognized. They are also sometimes known as sea cradles or coat-of-mail shells or suck-rocks, or more formally as loricates, polyplacophorans, and occasionally as polyplacophores.
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Cephalopods (Cephalopoda)
A cephalopod is any member of the molluscan class Cephalopoda (Greek plural κεφαλόποδες, kephalópodes; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles (muscular hydrostats) modified from the primitive molluscan foot. Fishers sometimes call cephalopods "inkfish", referring to their common ability to squirt ink. The study of cephalopods is a branch of malacology known as teuthology.
Unclassified
Nectocaris pteryx
Jeletzkya douglassae
Plectronoceratoidea
Multiceratoidea
Endoceratoidea
†Cameroceras trentonense
†Cameroceras inaequabile
Orthoceratoidea
†Orthoceras regulare
Nautiloids (Nautilida)
Chambered Nautilus (Nautilus pompilius)
Bellybutton Nautilus (Nautilus macromphalus)
Palau Nautilus (Nautilus belauensis)
Samoan Nautilus (Nautilus samoaensis) (NEWEST SPECIES)
White-patch Nautilus (Nautilus stenomphalus)
Vanuatuan Nautilus (Nautilus vanuatuensis) (NEWEST SPECIES)
Fijian Nautilus (Nautilus vitiensis) (NEWEST SPECIES)
†Nautilus praepompilius
†Nautilus taiwanus
Bali Chambered Nautilus (Allonautilus perforatus)
Fuzzy Nautilus (Allonautilus scrobiculatus)
Bactritoidea
Bactritida ammonoidea
Ammonites (Ammonoidea)
Belemnoids (Belemnoidea)
Clarkeiteuthis conocauda
Belemnites (Belemnitida)
Passaloteuthis bisulcata
Hibolites hastatus
Octopoda (Octopoda)
Common octopus (Octopus vulgaris)
Grimpoteuthis umbellata
†Tusoteuthis longa
Vampire Squids (Vampyromorphida)
Vampire Squid (Vampyroteuthis infernalis)
†Vampyronassa rhodanica
Bathypelagic Squids (Bathyteuthida)
Deepsea Squid (Bathyteuthis abyssicola)
Bathyteuthis bacidifera
Bathyteuthis berryi
Canarian Comb-finned Squid (Chtenopteryx canariensis)
Chun's Comb-finned Squid (Chtenopteryx chuni)
Chtenopteryx sepioloides
Comb-finned Squid (Chtenopteryx sicula)
Pygmy Squids (Idiosepida)
Two-toned Pygmy Squid (Idiosepius pygmaeus)
Northern Pygmy Squid (Idiosepius paradoxus)
Coastal Squids (Myopsida)
European Squid (Loligo vulgaris)
Japanese Squid (Loliolus japonica)
Glass Squids (Oegopsida)
Giant Squid (Architeuthis dux)
Antarctic Neosquid (Alluroteuthis antarcticus)
Sawintiran Giant Squid (Alluroteuthis avalonica)
Colossal Squid (Mesonychoteuthis hamiltoni)
Googly-eyed Glass Squid (Teuthowenia pellucida)
Sandal-eyed Squid (Sandalops melancholicus)
Cuttlefishes (Sepiida)
Common Cuttlefish (Sepia officinalis)
Pharaoh Cuttlefish (Sepia pharaonis)
Hooded Cuttlefish (Sepia prashadi)
Spearbeak Squid (Lanceteuthis thalassos)
Ram's Horn Squids (Spirulida)
Ram's Horn Squid (Spirula spirula)
†Trachyteuthididae
Trachyteuthis hastiformis
†Boletzkyida
Boletzkya
Naefiteuthis
†Ostenoteuthidae
Uncinoteuthis cuvieri
Ostenoteuthis siroi.
Tusk Shells (Scaphopoda)
The tusk shells or tooth shells, technically the Scaphopoda (the scaphopods, from Ancient Greek σκᾰ́φης skáphē "boat" and πούς poús "foot"), are members of a class of shelled marine mollusc with worldwide distribution, and are the only class of exclusively infaunal marine molluscs. Shells of species within this class range from about 0.5 to 18 cm (for Fissidentalium metivieri) in length. Members of the order Dentaliida tend to be larger than those of the order Gadilida.
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