| Lumbrineridae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Subclass: | Errantia |
| Order: | Eunicida |
| Family: | Lumbrineridae |
| Synonyms | |
Iris Worms [1] (Lumbrineridae) are a family of polychaetes in the order Eunicida. [2] Lumbrineridae live on the West Coast of the United States, the West Coast of Canada, and the Gulf of Mexico.
Iris Worms (Lumbrineridae) are distributed worldwide, [3] and are primarily found in the soft sediment of shallow and intertidal waters but sometimes lives on rocky bottoms and in algal holdfasts. [4] Lumbrineris flabellicola is unusual in the way that it forms grooves and membranous tubes in various ahermatypic corals. [3] A few observations suggest that Iris worm diets include carnivory on various invertebrates and questionable herbivory. [5] Selective deposit feeding was described for ninoe nigripes [6] and lumbrineris cf. latreilli [7] Its population biology is unknown. [4]
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Genera: [2]
Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Dracunculiasis, also called Guinea-worm disease, is a parasitic infection by the Guinea worm, Dracunculus medinensis. A person becomes infected by drinking water contaminated with Guinea-worm larvae that reside inside copepods. Stomach acid digests the copepod and releases the Guinea worm, which penetrates the digestive tract and escapes into the body. Around a year later, the adult female migrates to an exit site – usually the lower leg – and induces an intensely painful blister on the skin. Eventually, the blister bursts, creating a painful wound from which the worm gradually emerges over several weeks. The wound remains painful throughout the worm's emergence, disabling the affected person for the three to ten weeks it takes the worm to emerge.
The Hikurangi Trough,, is a sea floor feature of the Pacific Ocean off the north-east South Island and the east coast of the North Island of New Zealand. It has been forming for about 25 million years and is turbidite-filled particularly in its south. This characteristic can be used to distinguish it from the sediment–poor and deeper Kermadec Trench which is its continuation to the north. Sediment currently passing through the trough represents about 0.5% of the total sediment input to the world oceans. The trough has deep sea chemosynthetic ecosystems that are unique.
In biology, stolons, also known as runners, are horizontal connections between parts of an organism. They may be part of the organism, or of its skeleton. Typically, animal stolons are exoskeletons.
Peripatopsis is a genus of velvet worms in the Peripatopsidae family. These velvet worms are found in the KwaZulu-Natal, Western Cape, and Eastern Cape provinces of South Africa. This genus was proposed by the British zoologist Reginald I. Pocock in 1894 with Peripatopsis capensis designated as the type species.
The 1976 Songpan–Pingwu earthquake that struck Songpan and Pingwu counties in Sichuan, China consisted of three mainshocks on the 16th, 21st, and 23rd (UTC) of August. A 1984 report gave the magnitudes as 7.2, 6.7, and 7.2, respectively. The magnitudes were subsequently recalculated as 6.7, 6.3, and 6.4 on the Mw scale, and 7.0, 6.6, and 6.7 on the Ms scale. These were preceded by an earthquake swarm lasting three years. During the period from August 16 to August 31 there were over 400 aftershocks of magnitude 3.0 or greater.
Minerve-class submarines were a class of submarine built for the French Navy prior to World War II.
Eunicida is an order of polychaete worms.
Errantia is a diverse group of marine polychaete worms in the phylum Annelida. Traditionally a subclass of the paraphyletic class Polychaeta, it is currently regarded as a monophyletic group within the larger Pleistoannelida, composed of Errantia and Sedentaria. These worms are found worldwide in marine environments and brackish water.
Abarenicola pacifica or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the surface.
South Island is an island located in the Australian state of South Australia at the south end of Pondalowie Bay on the south-west extremity of Yorke Peninsula about 11 kilometres north-west by west of the town of Stenhouse Bay. The island has enjoyed protected area status since 1970 and since 1977, it has been part of the Innes National Park.
Ophryotrocha longicollaris is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. This species and Ophryotrocha magnadentata are sister species; together with O. nauarchus and O. flabella, it falls in a clade including O. globopalpata and Exallopus jumarsi from the shallow North Atlantic.
Ophryotrocha magnadentata is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. This species and Ophryotrocha longicollaris are sister species; together with O. nauarchus and O. flabella, it falls in a clade including O. globopalpata and Exallopus jumarsi from the shallow North Atlantic.
Ophryotrocha nauarchus is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. The species is sexually dimorphic, males having appendages on their first chaetiger.
Ophryotrocha flabella is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. It is similar to Ophryotrocha globopalpata, possessing some morphological differences, although genetic divergence is low between them.
Ophryotrocha langstrumpae is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. It is closely related to Ophryotrocha scutellus and Ophryotrocha batillus.
Ophryotrocha batillus is a species of polychaete worm, first found on deep sea whale fall and wood fall habitats in the north-east Pacific, off the southern Californian coast. It is very similar to Ophryotrocha scutellus, yet differs from the latter genetically.
The 1976 Longling earthquake in Yunnan Province, People's Republic of China, was a doublet earthquake, with two main shocks striking just east of Longling at 12:23:20 and 14:00:22 UTC. The magnitudes were estimated at 6.7 and 6.6, respectively, on the Mw(GCMT) scale, and 6.9 and 7.0 on the Ms scale; Chinese sources put these at 7.4 and 7.3 on the Ms7 scale. The region is noted for the quantity and intensity of its earthquakes, and the complexity of its tectonics, which are closely related to the collision between the Indian and Eurasian tectonic plates.
The 1944 Gulf of Edremit–Ayvacik earthquake occurred on October 6 at 05:34:48 local time in Balıkesir Province, Turkey. It measured 6.7 on the moment magnitude scale (Mw ) and occurred at a depth of 15 km (9 mi). The normal-faulting event had a maximum MSK-64 intensity of IX. A total of 73 people died and 275 others were injured.
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