Cymatioa Cookae
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Cymatioa Cookae
''Cymatioa cookae'', also known as ''Cymatioa cooki'', is a species of saltwater clam, a bivalve mollusk, that is native to southern California. It was thought to be extinct since the Pleistocene era until four specimens were found living in Santa Barbara, California, between 2018 and 2019. Taxonomy The name ''cooki'' was derived from the surname "Cook", as it was named after Edna T. Cook, from whose collection it was first identified. ''Cymatioa cooki'' used to have the genus name ''Bornia'', but the genus name was later changed to ''Cymatioa''. The only other known species of the genus is '' Cymatoia electilis''. Description ''Cymatioa cooki'' reaches up to in length and has a thin, fragile, oval-shaped shell with a longer posterior end. It has a small, sharply pointed beak and a prodissoconch 200 µm in diameter. The shell has irregular, slightly wavy commarginal striae, or grooves, and fine, dense punctae. Its mantle is large and covers most of the outer shell surf ...
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George Willett
George may refer to: People * George (given name) * George (surname) * George (singer), American-Canadian singer George Nozuka, known by the mononym George * George Washington, First President of the United States * George W. Bush, 43rd President of the United States * George H. W. Bush, 41st President of the United States * George V, King of Great Britain, Ireland, the British Dominions and Emperor of India from 1910-1936 * George VI, King of Great Britain, Ireland, the British Dominions and Emperor of India from 1936-1952 * Prince George of Wales * George Papagheorghe also known as Jorge / GEØRGE * George, stage name of Giorgio Moroder * George Harrison, an English musician and singer-songwriter Places South Africa * George, Western Cape ** George Airport United States * George, Iowa * George, Missouri * George, Washington * George County, Mississippi * George Air Force Base, a former U.S. Air Force base located in California Characters * George (Peppa Pig), a 2-year-old pig ...
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Naples Reef
Naples Reef is a fringing reef located off the Gaviota Coast of Santa Barbara County, California. It is an underwater pinnacle and cave system that is a popular scuba diving and fishing area. There are fishing restrictions in place, however recreational take by spearfishing of white seabass and pelagic finfish is allowed. Ecology Naples Reef is a rich, productive habitat, with anemone-covered underwater walls rising 30-feet from the sea floor and a kelp forest that supports various fish and wildlife. White seabass, kelp bass, rockfish, colorful nudibranchs, red gorgonians, pelicans, harbor seals and a variety of crabs, lobster and scallops all share the reef. This coastal area is home to many threatened and endangered animals such as the steelhead trout, the tidewater goby, the white-tailed kite, and the red-legged frog.{{cite web , last1=Rowntree , first1=Jonny , date=December 22, 2013 , title=Off the Beaten Path: Diving in the Less Known Locations in California , url= ...
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Galeommatidae
Galeommatidae is a family of small and very small saltwater clams, marine bivalve molluscs in the order Galeommatida. Genera and species Genera and species within the family Galeommatidae include: * '' Achasmea'' Dall, Bartsch & Rehder, 1938 ** Achasmea thaanumi Pilsbry, 1921 ** Achasmea rugata Kuroda & Habe, 1971 * '' Aclistothyra'' McGinty, 1955 ** '' Aclistothyra atlantica'' McGinty, 1955 *'' Aenictomya'' Oliver & Chesney, 1997 **'' Aenictomya mirabilis'' Lynge, 1909 **'' Aenictomya quadrangularis'' Lynge, 1909 * '' Ambuscintilla'' Iredale, 1936 ** '' Ambuscintilla daviei'' B. Morton, 2008 ** '' Ambuscintilla praemium'' Iredale, 1936 * '' Austrodevonia'' Middelfart & Craig, 2004 ** '' Austrodevonia percompressa'' Dall, 1899 ** '' Austrodevonia sharnae'' Middelfart & Craig, 2004 * '' Axinodon'' Verrill & Bush, 1898 ** '' Axinodon bornianus'' Dall, 1908 ** Axinodon ellipticus Verrill & Bush, 1898 ** '' Axinodon luzonicus'' E. A. Smith, 1885 ** '' Axinodon moseleyi'' E. A. ...
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Commensal
Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed. This is in contrast with mutualism, in which both organisms benefit from each other; amensalism, where one is harmed while the other is unaffected; parasitism, where one is harmed and the other benefits, and parasitoidism, which is similar to parasitism but the parasitoid has a free-living state and instead of just harming its host, it eventually ends up killing it. The commensal (the species that benefits from the association) may obtain nutrients, shelter, support, or locomotion from the host species, which is substantially unaffected. The commensal relation is often between a larger host and a smaller commensal; the host organism is unmodified, whereas the commensal species may show great structural adaptation consistent with its habits, as in the remoras that ride attached to sharks and other fishes. Remo ...
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Lazarus Taxon
In paleontology, a Lazarus taxon (plural ''taxa'') is a taxon that disappears for one or more periods from the fossil record, only to appear again later. Likewise in conservation biology and ecology, it can refer to species or populations that were thought to be extinct, and are rediscovered. The term Lazarus taxon was coined by Karl W. Flessa & David Jablonski in 1983 and was then expanded by Jablonski in 1986. Paul Wignall and Michael Benton defined Lazarus taxa as, "At times of biotic crisis many taxa go extinct, but others only temporarily disappeared from the fossil record, often for intervals measured in millions of years, before reappearing unchanged". Earlier work also supports the concept though without using the name Lazarus taxon, like work by Christopher R. C. Paul. The term refers to the story in the Christian biblical Gospel of John, in which Jesus Christ raised Lazarus from the dead. Potential explanations Lazarus taxa are observational artifacts that app ...
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Before Present
Before Present (BP) years, or "years before present", is a time scale used mainly in archaeology, geology and other scientific disciplines to specify when events occurred relative to the origin of practical radiocarbon dating in the 1950s. Because the "present" time changes, standard practice is to use 1 January 1950 as the commencement date (epoch) of the age scale. The abbreviation "BP" has been interpreted retrospectively as "Before Physics", which refers to the time before nuclear weapons testing artificially altered the proportion of the carbon isotopes in the atmosphere, which scientists must now account for. In a convention that is not always observed, many sources restrict the use of BP dates to those produced with radiocarbon dating; the alternative notation RCYBP stands for the explicit "radio carbon years before present". Usage The BP scale is sometimes used for dates established by means other than radiocarbon dating, such as stratigraphy. This usage differs from t ...
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Fossils
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood and DNA remnants. The totality of fossils is known as the ''fossil record''. Paleontology is the study of fossils: their age, method of formation, and evolutionary significance. Specimens are usually considered to be fossils if they are over 10,000 years old. The oldest fossils are around 3.48 billion years old to 4.1 billion years old. Early edition, published online before print. The observation in the 19th century that certain fossils were associated with certain rock strata led to the recognition of a geological timescale and the relative ages of different fossils. The development of radiometric dating techniques in the early 20th century allowed scientists to quantitatively measure the absolute ...
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Baldwin Hills, Los Angeles
Baldwin Hills is a neighborhood within the South Los Angeles region of Los Angeles, California. It is home to Kenneth Hahn State Regional Park and to Village Green, a National Historic Landmark. History 19th century Baldwin Hills and other surrounding geography are named for the 19th century horse racing and land developer, Lucky Baldwin. * Ran historic early 19th century eastern hills Rancho land grant. ** Sanchez Adobe de Rancho La Cienega o Paso de la Tijera. The adobe was once the center of the rancho. In the 1920s, an addition was built linking the structures and the building was converted into a larger clubhouse for the Sunset Golf Course. * Rancho Rincon de los Bueyes: original early 19th century western section Rancho land grant. 20th century * The 1932 Los Angeles Olympics housed athletes at the Olympic Village in Baldwin Hills. It was the site of the very first Olympic Village ever built, for the 1932 Los Angeles Summer Olympic Games. Built for male athletes only, ...
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Phyllospadix Torreyi
''Phyllospadix torreyi'', Torrey's surfgrass, is a plant species found along the Pacific Coasts of British Columbia, Washington, Oregon, California and Baja California (including Guadalupe Island Guadalupe Island ( es, Isla Guadalupe, link=no) is a volcanic island located off the western coast of Mexico's Baja California Peninsula and about southwest of the city of Ensenada in the state of Baja California, in the Pacific Ocean. The ...). It grows in salt marshes in the intertidal zones. ''Phyllospadix torreyi'' is a grass-like plant with toothless leaves up to 60 cm long. ''Phyllospadix torreyi'' is the obligate host to the epiphytes, ''Melobesia mediocris'' and ''Smithora naiadum''. References {{Taxonbar, from=Q15562221 torreyi Salt marsh plants Flora of British Columbia Flora of Washington (state) Flora of Oregon Flora of California Flora of Baja California Flora of Mexican Pacific Islands Biota of the Pacific Ocean Plants described in 1879 Flora ...
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Santa Barbara County
Santa Barbara County, California, officially the County of Santa Barbara, is located in Southern California. As of the 2020 census, the population was 448,229. The county seat is Santa Barbara, and the largest city is Santa Maria. Santa Barbara County comprises the Santa Maria-Santa Barbara, CA Metropolitan Statistical Area. Most of the county is part of the California Central Coast. Mainstays of the county's economy include engineering, resource extraction (particularly petroleum extraction and diatomaceous earth mining), winemaking, agriculture, and education. The software development and tourism industries are important employers in the southern part of the county. Southern Santa Barbara County is sometimes considered the northern cultural boundary of Southern California. History The Santa Barbara County area, including the Northern Channel Islands, was first settled by Native Americans at least 13,000 years ago. Evidence for a Paleoindian presence has been found in the fo ...
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Mantle (mollusc)
The mantle (also known by the Latin word pallium meaning mantle, robe or cloak, adjective pallial) is a significant part of the anatomy of molluscs: it is the dorsal body wall which covers the visceral mass and usually protrudes in the form of flaps well beyond the visceral mass itself. In many species of molluscs the epidermis of the mantle secretes calcium carbonate and conchiolin, and creates a shell. In sea slugs there is a progressive loss of the shell and the mantle becomes the dorsal surface of the animal. The words mantle and pallium both originally meant cloak or cape, see mantle (vesture). This anatomical structure in molluscs often resembles a cloak because in many groups the edges of the mantle, usually referred to as the ''mantle margin'', extend far beyond the main part of the body, forming flaps, double-layered structures which have been adapted for many different uses, including for example, the siphon. Mantle cavity The ''mantle cavity'' is a central fea ...
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Clam
Clam is a common name for several kinds of bivalve molluscs. The word is often applied only to those that are edible and live as infauna, spending most of their lives halfway buried in the sand of the seafloor or riverbeds. Clams have two shells of equal size connected by two adductor muscles and have a powerful burrowing foot. They live in both freshwater and marine environments; in salt water they prefer to burrow down into the mud and the turbidity of the water required varies with species and location; the greatest diversity of these is in North America. Clams in the culinary sense do not live attached to a substrate (whereas oysters and mussels do) and do not live near the bottom (whereas scallops do). In culinary usage, clams are commonly eaten marine bivalves, as in clam digging and the resulting soup, clam chowder. Many edible clams such as palourde clams are ovoid or triangular; however, razor clams have an elongated parallel-sided shell, suggesting an old-fashioned ...
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