| Sydaphera delicosa | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Cancellariidae |
| Genus: | Sydaphera |
| Species: | S. delicosa |
| Binomial name | |
| Sydaphera delicosa Laseron, 1955 | |
Sydaphera delicosa is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails. [1]
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A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract completely into. When the word "snail" is used in this most general sense, it includes not just land snails but also numerous species of sea snails and freshwater snails. Gastropods that naturally lack a shell, or have only an internal shell, are mostly called slugs, and land snails that have only a very small shell are often called semi-slugs.
The gastropods, commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda.
Heterobranchia, the heterobranchs, is a taxonomic clade of snails and slugs, which includes marine, aquatic and terrestrial gastropod mollusks.
The operculum is a corneous or calcareous anatomical structure like a trapdoor that exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails; the structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the families Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc.
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell.
Cancellariidae, common name the nutmeg snails or nutmeg shells, are a family of small to medium-large sea snails, marine gastropod mollusks in the clade Neogastropoda. Some of the shells of the species in this family resemble a nutmeg seed.
Freshwater snails are gastropod mollusks which live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few exceptions. Some groups of snails that live in freshwater respire using gills, whereas other groups need to reach the surface to breathe air. In addition, some are amphibious and have both gills and a lung. Most feed on algae, but many are detritivores and some are filter feeders.
Sydaphera anxifer is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera australis is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera christiana is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera fulva is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera granosa is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera lactea is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera obnixa is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera panamuna is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera spengleriana, the Spengler's nutmeg, is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
Sydaphera tasmanica is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.
In the shell of gastropod mollusks, the lip is the free margin of the peristome or aperture of the gastropod shell.
Conus is a genus of predatory sea snails, or cone snails, marine gastropod mollusks in the family Conidae. Prior to 2009, cone snail species had all traditionally been grouped into the single genus Conus. However, Conus is now more precisely defined, and there are several other accepted genera of cone snails. For a list of the currently accepted genera, see Conidae.
Terrestrial molluscs or land molluscs (mollusks) are an ecological group that includes all molluscs that live on land in contrast to freshwater and marine molluscs. They probably first occurred in the Carboniferous, arising from freshwater ones.
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