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PREHISTORIC SEA SNAIL SHELL

Sea snail shell found in the Neolithic Gava Mines, Barcelona, Catalonia, Spain, which were active between 4200 and 3400 BCE (Neolithic period). Neolithic humans may have blown into this shell as a form of communication. (KEYSTONE/SCIENCE PHOTO LIBRARY/MARCO ANSALONI )

SHELL OF SEA SNAIL

Shell of sea snail. This is the common name for slow-moving marine gastropod molluscs, usually with visible external shells. In the subclass Caenogastropoda, they often have shells that coil in a clockwise direction. (KEYSTONE/SCIENCE PHOTO LIBRARY/MARCO ANSALONI )

CODEX OF TUDELA, 16TH CENTURY. SCENE OF AN INDIAN SACRIFICE. ON TOP OF A TEMPLE, A PRIEST PULLS OUT THE HEART OF AN INDIAN WHILE A THIEF HOLDS HIM BY ONE FOOT. THE TEMPLE IS CROWNED WITH ACROTERIES OF THE SIGN TECCIZTI OR SEA SNAIL.

Codex of Tudela, 16th century. Scene of an Indian sacrifice. On top of a temple, a priest pulls out the heart of an Indian while a thief holds him by one foot. The temple is crowned with acroteries of the sign teccizti or sea snail. Codex of Tudela, 16th century. Scene of an Indian sacrifice. Creator: Unknown. (KEYSTONE/HERITAGE IMAGES/INDEX FOTOTECA)

RINGED STAR SNAIL STAR SNAIL (CHROMODORIS ANNULATA) SEA SNAIL MATING, AND MOZAMBIQUE TOOTHY GOBY (PLEUROSICYA MOSSAMBICA) DWARF GOBY. THE GOBY WAITING FOR THE SPAWN. DIVE SITE HOUSE REEF, MANGROVE BAY, EL QUESIR, RED SEA, EGYPT

Ringel-Sternschnecke Sternschnecke (Chromodoris annulata) Meeresschnecke bei der Paarung, und Mosambik-Geistergrundel (Pleurosicya mossambica) Zwerggrundel. Die Grundel wartet auf den Laich. Tauchplatz Hausriff, Mangrove Bay, El Quesir, Rotes Meer, aegypten Ringed star snail Star snail (Chromodoris annulata) Sea snail mating, and Mozambique toothy goby (Pleurosicya mossambica) Dwarf goby. The goby waiting for the spawn. Dive site House Reef, Mangrove Bay, El Quesir, Red Sea, Egypt (KEYSTONE/imageBROKER/ROLF VON RIEDMATTEN)

SEA SNAIL IN REEF, PHILIPPINES

Meereschnecke im Riff, Philippinen Sea snail in reef, Philippines (KEYSTONE/imageBROKER/DERAUGENZEUGE)

SPAIN, CANARY ISLANDS, FUERTEVENTURA, CAPITAL, PUERTO DEL ROSARIO, SCULPTURE OF A SEA SNAIL, WIDE ANGLE SHOT, LEFT SEA AND STERN OF A CRUISE SHIP, RIGHT HARBOR PROMENADE, PALM TREES, SKY BLUE, CLOUDS WHITE

Spanien, Kanarische Inseln, Fuerteventura, Hauptstadt, Puerto del Rosario, Skulptur einer Meeresschnecke, Weitwinkelaufnahme, links Meer und Heck eines Kreuzfahrtschiffs, rechts Hafenpromenade, Palmen, blauer Himmel, Wolken weiß Spain, Canary Islands, Fuerteventura, capital, Puerto del Rosario, sculpture of a sea snail, wide angle shot, left sea and stern of a cruise ship, right harbor promenade, palm trees, sky blue, clouds white (KEYSTONE/mauritius images/RALF ADLER)

BIG SEA SNAIL ON SEA BEACH

Große Meeresschnecke am Meeresstrand Big sea snail on sea beach (KEYSTONE/mauritius images/BUSSE & YANKUSHEV)

FLYING SEA SNAIL (CLIO SP.) PHOTOGRAPHED AT NIGHT, GREEN ISLAND, TAIWAN. MINIMUM FEES APPLY.

Flying sea snail (Clio sp.) photographed at night, Green Island, Taiwan. Minimum fees apply.. (KEYSTONE/NATURE PICTURE LIBRARY/MAGNUS LUNDGREN / WILD WONDERS OF CHINA)

SEA SNAIL, ILLUSTRATION

Sea snail (Platyceras sp.), illustration. (KEYSTONE/SCIENCE PHOTO LIBRARY/DK IMAGES/SCIENCE PHOTO LIBRARY)

OSILINUS ATRATUS, SEA SNAIL, LOW TIDE, FUERTEVENTURA, CANARY ISLANDS, SPAIN

Osilinus atratus, Meeresschnecke, Ebbe, Fuerteventura, Kanarische Inseln, Spanien Osilinus atratus, sea snail, low tide, Fuerteventura, Canary Islands, Spain (KEYSTONE/imageBROKER/SVEN WALTER)

GIANT TUN (TONNA GALEA) IS A SPECIES OF MARINE GASTROPOD MOLLUSC, ONE OF THE BIGGEST SEA SNAIL IN MEDITERRANEAN SEA, VIS ISLAND, CROATIA, ADRIATIC SEA, MEDITERRANEAN

Giant tun (Tonna galea) is a species of marine gastropod mollusc, one of the biggest sea snail in Mediterranean Sea, Vis Island, Croatia, Adriatic Sea, Mediterranean. (KEYSTONE/BIOSPHOTO/FRANCO BANFI)

EGGS OF GIANT TUN (TONNA GALEA) IS A SPECIES OF MARINE GASTROPOD MOLLUSC, ONE OF THE BIGGEST SEA SNAIL IN MEDITERRANEAN SEA, VIS ISLAND, CROATIA, ADRIATIC SEA, MEDITERRANEAN

Eggs of Giant tun (Tonna galea) is a species of marine gastropod mollusc, one of the biggest sea snail in Mediterranean Sea, Vis Island, Croatia, Adriatic Sea, Mediterranean. (KEYSTONE/BIOSPHOTO/FRANCO BANFI)

GIANT TUN (TONNA GALEA) IS A SPECIES OF MARINE GASTROPOD MOLLUSC, ONE OF THE BIGGEST SEA SNAIL IN MEDITERRANEAN SEA, VIS ISLAND, CROATIA, ADRIATIC SEA, MEDITERRANEAN

Giant tun (Tonna galea) is a species of marine gastropod mollusc, one of the biggest sea snail in Mediterranean Sea, Vis Island, Croatia, Adriatic Sea, Mediterranean. (KEYSTONE/BIOSPHOTO/FRANCO BANFI)

GERMANY, LOWER SAXONY, EAST FRISIA, JUIST, SHELL OF A SEA SNAIL.

Deutschland, Niedersachsen, Ostfriesland, Juist, Gehäuse einer Meeresschnecke. Germany, Lower Saxony, East Frisia, Juist, shell of a sea snail. (KEYSTONE/mauritius images/ROLAND T. FRANK)

SEA SNAIL SHELLS, X-RAY

Sea snail shells (Ficus communis), coloured X-ray. (KEYSTONE/SCIENCE PHOTO LIBRARY/NICK VEASEY/SCIENCE PHOTO LIBRARY)

SEA SNAIL SHELL (HAUSTELLUM BRANDARIS), X-RAY

Sea snail shell (Haustellum brandaris), coloured X-ray. (KEYSTONE/SCIENCE PHOTO LIBRARY/NICK VEASEY/SCIENCE PHOTO LIBRARY)

SEA SNAIL (CYCLOPE NERITEA), X-RAY

Sea snail (Cyclope neritea), X-ray. (KEYSTONE/SCIENCE PHOTO LIBRARY/NICK VEASEY/SCIENCE PHOTO LIBRARY)

BAT VOLUTE PREDATORY SEA SNAIL (CYMBIOLA VESPERTILIO) LEMBEH STRAIT, NORTH SULAWESI, INDONESIA.

Bat volute predatory sea snail (Cymbiola vespertilio) Lembeh Strait, North Sulawesi, Indonesia.. (KEYSTONE/NATURE PICTURE LIBRARY/CONSTANTINOS PETRINOS)

ELONGATE LAMELLARIA SEA SNAIL (LIMNERIA PROLONGATA), ALASKA, USA, GULF OF ALASKA. PACIFIC OCEAN.

Elongate lamellaria sea snail (Limneria prolongata), Alaska, USA, Gulf of Alaska. Pacific ocean.. (KEYSTONE/NATURE PICTURE LIBRARY/Pascal Kobeh)

LONG-TAILED MACAQUE (MACACA FASCICULARIS) JUVENILE AGED 12-18 MONTHS FEEDING ON A SEA SNAIL . BAKO NATIONAL PARK, SARAWAK, BORNEO, MALAYSIA. MAR 2010.

Long-tailed macaque (Macaca fascicularis) juvenile aged 12-18 months feeding on a sea snail . Bako National Park, Sarawak, Borneo, Malaysia. Mar 2010.. (KEYSTONE/NATURE PICTURE LIBRARY/Fiona Rogers). (KEYSTONE/NATURE PICTURE LIBRARY/FIONA ROGERS)

CORIOCELLA SEA SNAIL

Coriocella sea snail (Coriocella nigra). Photographed off the island of Malapascua in the province of Cebu in the Philippines. (KEYSTONE/SCIENCE PHOTO LIBRARY/GEORGETTE DOUWMA/SCIENCE PHOTO LIBRARY)

COMMON CLIONE FEEDING ON A SEA SNAIL

Common clione (Clione limacina) feeding on a Limacina helicina sea snail. This is a sea angel, a type of sea slug. Sea angels are free-swimming sea slugs that inhabit the cold northern oceans of the world. They are simultaneous hermaphrodites, possessing both male and female sexual organs. Its prey includes sea snails. Photographed in the White Sea, Russia. (KEYSTONE/SCIENCE PHOTO LIBRARY/ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY)

COMMON CLIONE AND SEA SNAIL

Common clione (Clione limacina) and sea snail. This is a sea angel, a type of sea slug. Sea angels are free-swimming sea slugs that inhabit the cold northern oceans of the world. They are simultaneous hermaphrodites, possessing both male and female sexual organs. Its prey includes sea snails. Photographed in the White Sea, Russia. (KEYSTONE/SCIENCE PHOTO LIBRARY/ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY)

LIMACINA HELICINA SEA SNAIL

Limacina helicina sea snail. Photographed in the western Pacific Ocean, in the Sea of Okhotsk. (KEYSTONE/SCIENCE PHOTO LIBRARY/ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY)

VIOLET SEA SNAIL (JANTHINA JANTHINA) PREDATING A BY-THE-WIND SAILOR (VELELLA VELELLA), MEDITERRANEAN, SAINT-JEAN-CAP-FERRAT, FRANCE

Violet sea snail (Janthina janthina) predating a By-the-wind Sailor (Velella velella), Mediterranean, Saint-Jean-Cap-Ferrat, France. (KEYSTONE/BIOSPHOTO/JEAN-MICHEL MILLE)

VIOLET SEA SNAIL (JANTHINA JANTHINA) PREDATING A BY-THE-WIND SAILOR (VELELLA VELELLA), MEDITERRANEAN, SAINT-JEAN-CAP-FERRAT, FRANCE

Violet sea snail (Janthina janthina) predating a By-the-wind Sailor (Velella velella), Mediterranean, Saint-Jean-Cap-Ferrat, France. (KEYSTONE/BIOSPHOTO/JEAN-MICHEL MILLE)

IRELAND, COUNTY GALWAY, TIDAL ZONE IN THE DOGS BAY CLOSE ROUNDSTONE, MUSSELS, SEAWEED, SEA SNAIL

Ireland, county Galway, tidal zone in the Dogs Bay close Roundstone, mussels, seaweed, sea snail (KEYSTONE/mauritius images/K. SCHLIERBACH)

IRELAND, COUNTY GALWAY, TIDAL ZONE IN THE DOGS BAY CLOSE ROUNDSTONE, MUSSELS, SEAWEED, SEA SNAIL

Ireland, county Galway, tidal zone in the Dogs Bay close Roundstone, mussels, seaweed, sea snail (KEYSTONE/mauritius images/K. SCHLIERBACH)

IRELAND, COUNTY GALWAY, TIDAL ZONE IN THE DOGS BAY CLOSE ROUNDSTONE, MUSSELS, SEAWEED, SEA SNAIL

Ireland, county Galway, tidal zone in the Dogs Bay close Roundstone, mussels, seaweed, sea snail (KEYSTONE/mauritius images/K. SCHLIERBACH)

IRELAND, COUNTY GALWAY, TIDAL ZONE IN THE DOGS BAY CLOSE ROUNDSTONE, MUSSELS, SEAWEED, SEA SNAIL

Ireland, county Galway, tidal zone in the Dogs Bay close Roundstone, mussels, seaweed, sea snail (KEYSTONE/mauritius images/K. SCHLIERBACH)

IRELAND, COUNTY GALWAY, TIDAL ZONE IN THE DOGS BAY CLOSE ROUNDSTONE, MUSSELS, SEAWEED, SEA SNAIL

Ireland, county Galway, tidal zone in the Dogs Bay close Roundstone, mussels, seaweed, sea snail (KEYSTONE/mauritius images/K. SCHLIERBACH)

GREY BONNET SEA SNAIL

Grey bonnet (Phalium glaucum) sea snail on sandy sea bed. This species is widespread in the Indo-Pacific, from Eastern Africa to Southern Japan and Melanesia. Photographed in Ambon, Indonesia. (KEYSTONE/SCIENCE PHOTO LIBRARY/GEORGETTE DOUWMA/SCIENCE PHOTO LIBRARY)

LIMACINA HELICINA SEA SNAIL

Limacina helicina sea snail (KEYSTONE/CONNECT IMAGES/Alexander Semenov)

COWRIE SEA SNAIL FEEDING ON CORAL

Cowrie sea snail feeding on coral. Common egg cowrie (Ovula ovum, black) feeding on leather coral. Photographed in the Andaman Sea, in the Similan Islands, Thailand.(KEYSTONE/SCIENCE PHOTO LIBRARY SPL/GEORGETTE DOUWMA/SCIENCE PHOTO LIBRARY)

VIOLET SEA SNAIL EGGS

Violet sea snail eggs. Eggs of the violet sea snail (Janthina janthina), supported by a raft of bubbles. The violet sea snail or common violet snail, is a species of planktonic sea snail which lives at the surface of the water, floating on a raft of bubbles. The snail begins life as a male and later changes to a female. The eggs are held by the female until they develop into larvae, which are free swimming.(KEYSTONE/SCIENCE PHOTO LIBRARY SPL/ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY)

TRITON SHELL SEA SNAIL LAYING EGGS

Triton shell sea snail (Fusitriton sp.) laying eggs. Fusitriton is a genus of large predatory sea snails.(KEYSTONE/SCIENCE PHOTO LIBRARY SPL/ALEXANDER SEMENOV/SCIENCE PHOTO LIBRARY)

BULLMOUTH HELMET SEA SNAIL AND SHELL

Bullmouth helmet (Cypraecassis rufa) sea snail and shell, Jambiani, Zanzibar, Tanzania.(KEYSTONE/SCIENCE PHOTO LIBRARY SPL/DR NEIL OVERY/SCIENCE PHOTO LIBRARY)

BULLMOUTH HELMET SEA SNAIL AND SHELL

Bullmouth helmet (Cypraecassis rufa) sea snail and shell, Jambiani, Zanzibar, Tanzania.(KEYSTONE/SCIENCE PHOTO LIBRARY SPL/DR NEIL OVERY/SCIENCE PHOTO LIBRARY)

SEA SNAIL (ONCHIDIOPSIS MACULATA), SEA OF JAPAN, RUSSIA

Meeresschnecke (Onchidiopsis maculata), Japanisches Meer, Russland Sea snail (Onchidiopsis maculata), Sea of Japan, Russia (KEYSTONE/imageBROKER/ANDREY NEKRASOV)

QUEEN TEGULA SEA SNAIL SHELL

Queen tegula sea snail shell. The queen tegula (Tegula regina) is a large species of sea snail which occurs off the coast of California, USA. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

TOOTHED TOP SHELL SEA SNAIL SHELL

Toothed top shell. The toothed top shell (Tectus dentatus) is a sea snail which occurs in the Northwest Indian Ocean, the Persian Gulf and the Red Sea. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

PUPERITA PUPA SEA SNAIL SHELLS

Sea snail shells. Shells of Puperita pupa, a species of small sea snail in the family Neritidae. These snails are found in the Carribean Sea and the Gulf of Mexico. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

TRUE KELP SEA SNAIL SHELL

Kelp shell. The shell of the kelp shell snail or true kelp (Phasianotrochus eximius). This is a species of sea snail in the family Trochidae, and is found off the coast of Australia. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

PHASIONELLA VENTRICOSA SEA SNAIL SHELL

Phasionella ventricosa sea snail shell. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

CREEPER SEA SNAIL SHELLS

Creeper sea snail shells. Illustration of shells of Rhinoclavis fasciata, a species of creeper snail, family Cerithiidae. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

CREEPER SEA SNAIL SHELLS

Creeper sea snail shells. Shells of Rhinoclavis fasciata, a species of creeper snail, family Cerithiidae. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

TAPESTRY TURBAN SEA SNAIL SHELL

Tapestry turban sea snail shell. The tapestry turban (Turbo petholatus) is a species of sea snail in the family Turbinidae, the turban snails. It is found in the Red Sea, the Indian Ocean and the West Pacific. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

TAPESTRY TURBAN SEA SNAIL SHELL

Tapestry turban sea snail shell. Illustration of the tapestry turban (Turbo petholatus), a species of sea snail in the family Turbinidae, the turban snails. It is found in the Red Sea, the Indian Ocean and the West Pacific. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

TIGER MAUREA SEA SNAIL SHELL

Tiger maurea shell. The shell of the tiger maurea (Calliostoma tigris), a large species of sea snail which occurs in New Zealand. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

YOKA STAR TURBAN SEA SNAIL SHELL

Yoka star turban sea snail shell. The shell of a Yoka star turban (Guildfordia yoka) deep-water sea snail. This marine gastropod, family Turbinidae, occurs off Japan and the Philippines at depths of 200-300 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

GAZA FISCHERI SEA SNAIL SHELL

Gaza fischeri sea snail shell. The shell of Gaza fischeri, a species of sea snail in the family Margaritidae. It is found in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles at depths of approximately 600 to 1000 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

YOKA STAR TURBAN SEA SNAIL SHELL

Yoka star turban sea snail shell. Illustration of the shell of a Yoka star turban (Guildfordia yoka) deep-water sea snail. This marine gastropod, family Turbinidae, occurs off Japan and the Philippines at depths of 200-300 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SUNDIAL SEA SNAIL SHELL

Sundial sea snail shell. Illustration of the shell of a sundial snail (Heliacus areola), a species of sea snail in the family Architectonicidae, the sundial or staircase shell snails. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SAY'S TOP SHELL SEA SNAIL SHELL

Say's top shell. Say's top shell (Calliostoma sayanum) is a sea snail which occurs in the Gulf of Mexico and in the Atlantic Ocean at depths of 120-360 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SAY'S TOP SHELL SEA SNAIL SHELL

Say's top shell. Say's top shell (Calliostoma sayanum) is a sea snail which occurs in the Gulf of Mexico and in the Atlantic Ocean at depths of 120-360 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

BAIRD'S TOP SHELL SEA SNAIL SHELL

Baird's top shell. Baird's top shell (Bathybembix bairdii) is a deep-water sea snail in the family Calliotropidae. This species occurs in the Pacific Ocean at depths of 300-1500 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

STRAWBERRY TOP SHELL SEA SNAIL SHELL

Strawberry top shell. Four aspects of the shell of a Strawberry top shell (Clanculus puniceus). This is a species of sea snail which occurs in the Indian Ocean off Madagascar, the Mascarene Basin, Mozambique, South Africa and Tanzania. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

BAIRD'S TOP SHELL SEA SNAIL SHELL

Baird's top shell. Baird's top shell (Bathybembix bairdii) is a deep-water sea snail in the family Calliotropidae. This species occurs in the Pacific Ocean at depths of 300-1500 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SAY'S TOP SHELL SEA SNAIL, ILLUSTRATION

Say's top shell. Illustration showing base and side views of Say's top shell (Calliostoma sayanum), a sea snail which occurs in the Gulf of Mexico and in the Atlantic Ocean at depths of 120-360 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SAY'S TOP SHELL SEA SNAIL SHELL

Say's top shell. Say's top shell (Calliostoma sayanum) is a sea snail which occurs in the Gulf of Mexico and in the Atlantic Ocean at depths of 120-360 metres. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

HEAVY BONNET SEA SNAIL SHELL

Heavy bonnet sea snail shell. The shell of a heavy bonnet sea snail (Casmaria ponderosa) a species of large sea snail in the family Cassidae, the helmet snails and bonnet snails. This species occurs in the Red Sea, parts of the Indian Ocean, and the Pacific Ocean off Hawaii. (KEYSTONE/SCIENCE PHOTO LIBRARY/SMITHSONIAN INSTITUTION/SCIENCE PHOTO LIBRARY)

SEA SNAIL (LITTORARIA COCCINEA GLABRATA), GLIDING ALONG A LOG ON THE BEACH, PRASLIN ISLAND, SEYCHELLES

Schnecke, Meeresschnecke (Littoraria coccinea glabrata), laeuft ueber einen Baumstamm am Strand, Insel Praslin, Seychellen Sea snail (Littoraria coccinea glabrata), gliding along a log on the beach, Praslin Island, Seychelles (KEYSTONE/imageBROKER/HARRY LAUB)

LONGSPINE SEA SNAIL SHELL

Longspine sea snail (Hexaplex cichoreum) shell. (KEYSTONE/SCIENCE PHOTO LIBRARY/SCIENCE PHOTO LIBRARY)

LONGSPINE SEA SNAIL SHELL

Longspine sea snail (Hexaplex cichoreum) shell. (KEYSTONE/SCIENCE PHOTO LIBRARY/SCIENCE PHOTO LIBRARY)