| Urechidae | |
|---|---|
 | |
| Urechis unicinctus at a market in Korea | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Polychaeta |
| Order: | Echiuroidea |
| Family: | Urechidae Monro, 1927 [1] |
| Genus: | Urechis Seitz, 1907 [2] |
| Species | |
Urechidae (commonly known as "fat innkeeper" or "penis fish") [3] [4] is a family of spoonworms in the subclass Echiura. The only genus in the family is Urechis, which has four species.
The World Register of Marine Species includes these species in this genus:- [2]
The Clionidae are a family of sea angels, which are a group of pelagic marine gastropods.
Zoanthids are an order of cnidarians commonly found in coral reefs, the deep sea and many other marine environments around the world. These animals come in a variety of different colonizing formations and in numerous different colors. They can be found as individual polyps, attached by a fleshy stolon or a mat that can be created from small pieces of sediment, sand and rock. The term "zoanthid" refers to all animals within this order Zoantharia, and should not be confused with "Zoanthus", which is one genus within Zoantharia.
Heteroconchia is a taxonomic infraclass of saltwater clams, marine bivalve molluscs, belonging to the subclass Autobranchia
Urechis unicinctus, known as the fat innkeeper worm or penis fish, is a species of marine spoon worm in East Asia. It is found in Bohai Gulf of China and off the Korean and Hokkaido coasts. It is not to be confused with a closely related species, Urechis caupo, which occurs on the western coast of North America and shares common names. The body is about 10–30 cm long, cylindrical in shape and yellowish-brown in color. On the surface of the body there are many small papillae.
Atlanta is a genus of pelagic marine gastropod molluscs in the family Atlantidae. They are sometimes called heteropods.
Xenophoridae, commonly called carrier shells, is a family of medium-sized to large sea snails, marine gastropod mollusks in the clade Littorinimorpha.
Carcharias is a genus of sand tiger sharks belonging to the family Odontaspididae. Once bearing many prehistoric species, all have gone extinct with the exception of the critically endangered sand tiger shark.
Alpiniropa is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Charopidae. Alpiniropa is a monotypic genus, meaning it contains only one species. Its sole species, Alpiniropa okeana, is endemic to Australia.
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
Carditidae is a family of marine bivalve clams of the order Carditida, which was long included in the Venerida. They are the type taxon of the superfamily Carditoidea.
Enidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks.
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms.
Erginus is a genus of sea snails, true limpets, marine gastropod mollusks in the family Erginidae.
Stellaria is a genus of large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier shells.
Preactiniidae is a family of sea anemones in the order Actiniaria The family contains two species in two monotypic genera.
Diploria is a monotypic genus of massive reef building stony corals in the family Mussidae. It is represented by a single species, Diploria labyrinthiformis, commonly known as grooved brain coral and is found in the western Atlantic Ocean and Caribbean Sea. It has a familiar, maze-like appearance.
Rhizostomatidae is a family of cnidarians in the class Scyphozoa.
Echiuridae is a family of spoon worms in the suborder Echiurida. It is a monotypic family, the only genus being Echiurus. These worms burrow into soft sediment on the seabed.
Heteropsammia is a genus of apozooxanthellate corals that belong to the family Dendrophylliidae.
The Iwagaki oyster, is an oyster native to Japan. It was first described in 1934.
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