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Operculum ( gastropod ) | operculum 13. brain 14. mouth 15. tentacle ( chemosensory, 2 or 4 ) 16. eye 17. penis ( everted, normally internal ) 18. esophageal nerve ring 19. pedal ganglion 20. lower commissura 21. vas deferens 22. pallial cavity / Mantle ( mollusc ) | mantle cavity / respiratory cavity 23. parietal ganglion 24. anus 25. hepatopancreas 26. gonad 27. rectum 28. nephridium
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Operculum and gastropod
Note that much of this anatomy does not apply to gastropods in other clades. Light yellow-bodyBrown-Gastropod shell | shell and Operculum ( gastropod ) | operculum Green-digestive systemLight purple-gills Yellow-osphradium Red-heartPink-Dark violet-1. foot 2. cerebral ganglion 3. pneumostome 4. upper commissura 5. osphradium 6. gills 7. pleural ganglion 8. atrium of heart 9. visceral ganglion 10. ventricle 11. foot 12.
** Operculum ( gastropod ), a lid on the shell of some gastropods
Operculum and |
‘ Rosea ’ showing flowers and buds with Operculum ( botany ) | operculum present
Operculum and brain
* Operculum ( brain ), a part of the human brain
gastropod and |
Image: PlatyceratidMississippian. JPG | Crinoid calyx from the Lower Carboniferous of Ohio with a conical platyceratid gastropod ( Palaeocapulus acutirostre ) attached.
A gastropod shell | shell of the Indian volute, Melo melo, surrounded by a number of pearls from this species
* Aporodoris of Taringa ( gastropod ) | Taringa in family Discodorididae
Hexactinellid sponge on a Xenophoridae | xenophorid gastropod.
Seashells hand picked from beach drift in North Wales at Shell Island ( Wales ) | Shell Island near Harlech Castle, Wales, bivalve s and gastropod s, March / April 1985
Two gastropod shell | shells of Bolinus brandaris, also known as the Spiny dye-murex
Gastropod shell | The shell of Zonitoides nitidus, a small land snail, has dextral coiling, which is typical ( but not universal ) in gastropod shells.
Broken gastropod shell | shells of Grove snail s on an ' anvil '
Dorsal view of a gastropod shell | shell of Haliotis cracherodii
Three views of a gastropod shell | shell of a Harpa species, a prosobranch gastropod.
9-hour-old trochophore of the marine gastropod Haliotis asinina sf-gastropod shell | shell field
File: Cypraea chinensis with partially extended mantle. jpg | The marine gastropod Cypraea chinensis, the Chinese cowry, showing partially extended mantle.
Three views of a gastropod shell | shell of Norelona pyrenaica with the apertural view in the center
Photo of dorsal view of internal gastropod shell | shell.
Apertural view of the gastropod shell | shell of adult Tarebia granifera showing its pale brown body whorl and dark spire ( mollusc ) | spire.
In this example a gastropod shell | shell with 3¾ whorls is shown, with the fourth whorl expanding more rapidly than whorls 1-3.
File: Haliotis asinina. jpg | The shell of the marine gastropod Haliotis asinina has less than two whorls
Apertural view of the gastropod shell | shell of adult Tarebia granifera showing its pale brown body whorl and dark spire.
X-ray image of the gastropod shell | shell of Charonia lampas
gastropod and operculum
Ampullariidae, common name the apple snails, is a family of large freshwater snails, aquatic gastropod mollusks with a gill and an operculum.
The black turban snail, scientific name Chlorostoma funebralis, is a species of medium-sized sea snail with gills and an operculum, a marine gastropod mollusc in the family Turbinidae.
The common periwinkle or winkle, Littorina littorea, is a species of small edible sea snail, a marine gastropod mollusk that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles.
* Arinia simplex, a species of small land snails with an operculum, terrestrial gastropod mollusks in the family Diplommatinidae
* Blanfordia simplex, a species of land snail that has an operculum, a terrestrial gastropod mollusk in the family Pomatiopsidae
* Boucardicus simplex, a species of land snail with an operculum, a terrestrial gastropod mollusk in the family Cyclophoridae
* Opisthostoma simplex, a species of minute land snail with an operculum, a terrestrial gastropod mollusk in the family Diplommatinidae
Ramsdenia is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Pomatiidae.
gastropod and .
Abalone ( or ; via Spanish, from the ), is a common name for any of a group of small to very large edible sea snails, marine gastropod molluscs in the family Haliotidae.
The brominated indole indigo dye is produced by a medium-sized predatory sea snail, the marine gastropod Murex brandaris.
A fossil gastropod from the Pliocene of Cyprus.
* Kylix ( gastropod ), a genus of snails in the family Drilliidae.
Another example is the conch pearl ( sometimes referred to simply as the ' pink pearl '), which is found very rarely growing between the mantle and the shell of the queen conch or pink conch, Strombus gigas, a large sea snail or marine gastropod from the Caribbean Sea.
Somewhat similar gastropod pearls, this time more orange in hue, are ( again very rarely ) found in the horse conch Pleuroploca gigantea.
Examples of metabiosis are hermit crabs using gastropod shells to protect their bodies and spiders building their webs on plants.
These are marine gastropod mollusks.
These are holoplanktonic opisthobranch gastropod mollusks in the informal group Opisthobranchia.
They include some of the world's most abundant gastropod species.
The word " neck " is sometimes used as a convenience to refer to the region behind the head in some snails, gastropod mollusks, even though there is no clear distinction between this area, the head area, and the rest of the body.
Snail is a common name applied most often to land snails, terrestrial pulmonate gastropod mollusks.
Examples include maggots, which feast and develop on corpses, and hermit crabs, which use gastropod shells to protect their bodies.
Certain species of gastropod seashells ( the shells of sea snails ) can sometimes be common, washed up on sandy beaches, and also on beaches that are surrounded by rocky marine habitat.
* Almost all genera of hermit crabs use or " wear " empty marine gastropod shells throughout their lifespan, in order to protect their soft abdomens, and in order to have a strong shell to withdraw into if attacked by a predator.
Each individual hermit crab is forced to find another gastropod shell on a regular basis, whenever it grows too large for the one it is currently using.
Use of gastropod shell s, specifically cowries, in traditional dress of the Kikuyu people of Kenya, Africa.
A very large outdoor sculpture at Akkulam of a gastropod seashell is a reference to the sacred chank shell Turbinella pyrum of India.
This tube resembles, and can be confused with, the shell of marine gastropod mollusks in the family Vermetidae, the worm snails.
Dirona is a genus of sea slugs, Pacific Ocean nudibranchs, marine, opisthobranch gastropod mollusks in the family Dironidae.
* Ganesa ( gastropod ), a genus of marine snails in the family Turbinidae.
::: Kobelt 1871 established the gastropod genus-group name Candidula and included 23 species.
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