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| Owenia | |
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| Owenia fusiformis | |
| Scientific classification | |
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| Genus: | Owenia Delle Chiaje, 1841 |
| Type species | |
| Owenia fusiformis Delle Chiaje, 1844 | |
| Species | |
See text | |
Owenia is a genus of marine polychaete worms in the family Oweniidae. [1]
Nereis is a genus of polychaete worms in the family Nereididae. It comprises many species, most of which are marine. Nereis possess setae and parapodia for locomotion and gas exchange. They may have two types of setae, which are found on the parapodia. Acicular setae provide support. Locomotor setae are for crawling, and are the bristles that are visible on the exterior of the Polychaeta. They are cylindrical in shape, found not only in sandy areas, and they are adapted to burrow. They often cling to seagrass (posidonia) or other grass on rocks and sometimes gather in large groups.
Paludinella is a genus of minute salt marsh snails with an operculum, aquatic gastropod mollusks or micromollusks, in the family Assimineidae.
The Pleurobranchidae are a taxonomic family of sea slugs, marine gastropod molluscs in the clade Pleurobranchomorpha.
Berthella is a genus of sea slugs, marine gastropod mollusks in the family Pleurobranchidae.
Spurilla is a genus of sea slugs, aeolid nudibranchs, marine gastropod mollusks in the family Aeolidiidae.
Ampharete is a genus of polychaete annelid worms. They have a single, chevron-shaped row of teeth.
Oweniidae is a family of marine polychaete worms in the suborder Sabellida. The worms live in tubes made of sand and are selective filter feeders, detritivores and grazers.
Agalmatidae, or Agalmidae, is a family of siphonophores.
Owenia is the generic name of three groups of organisms. It can refer to:
Antiopella cristata, sometimes known by the common name crested aeolis, is a species of nudibranch, a marine gastropod mollusc in the family Janolidae.
Spurilla neapolitana, the Neapolitan spurilla, is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusk in the family Aeolidiidae. It is native to the western Atlantic Ocean, the Caribbean Sea and the Mediterranean Sea. This species was first described as Eolis neapolitana by the Italian naturalist Stefano delle Chiaje in 1841. However, although some authorities quote the year as 1823, the species does not appear in the first volume of delle Chiaje's memoirs, which was published that year. The species was later reassigned to the genus Spurilla.
Distomus is a genus of ascidian tunicates in the family Styelidae.
Terebellides is a genus of polychaete worms in the family Trichobranchidae.
Syllidae, commonly known as the necklace worms, is a family of small to medium-sized polychaete worms. Syllids are distinguished from other polychaetes by the presence of a muscular region of the anterior digestive tract known as the proventricle.
Ampharete oculicirrata is a sea worm species of the family Ampharetidae first described in June 2019 after its discovery in the West Shetland Shelf Nature Conservation Marine Protected Area. It was discovered by a team of scientists from Joint Nature Conservation Committee and Marine Scotland Science.
Gattyana cirrhosa is a scale worm known from widespread locations in the North Atlantic, Arctic, and northwestern Pacific oceans, from the intertidal zone to depths of at least 1,200 m (3,900 ft).
Nanomia bijuga is a species of siphonophore in the family Agalmatidae.
Eupolymnia is a genus of annelids belonging to the family Terebellidae.
Armandia is a genus of polychaetes belonging to the family Opheliidae.