|
Priscopedatidae
Priscopedatidae is a prehistoric family of extinct sea cucumber Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothu ...s. References External links * * Prehistoric echinoderm families {{paleo-holothuroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Priscopedatus
''Priscopedatus'' is an extinct genus of sea cucumbers which existed in Poland during the Triassic The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period ... period. The type species is ''Priscopedatus pyramidalis''. It also contains the species ''Priscopedatus normani'', ''Priscopedatus mostleri'', ''Priscopedatus triassicus'', ''Priscopedatus elliptiferus''. References Priscopedatidae Prehistoric sea cucumber genera Triassic echinoderms Fossils of Poland Fossil taxa described in 1890 {{paleo-holothuroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Staurocumites
''Staurocumites'' is an extinct genus of sea cucumbers which existed in Europe during the Triassic and Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ... periods. The type species is ''Staurocumites bartensteini''. References Priscopedatidae Prehistoric sea cucumber genera Triassic first appearances Jurassic extinctions {{paleo-holothuroidea-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donald L
Donald is a masculine given name derived from the Gaelic name ''Dòmhnall''.. This comes from the Proto-Celtic *''Dumno-ualos'' ("world-ruler" or "world-wielder"). The final -''d'' in ''Donald'' is partly derived from a misinterpretation of the Gaelic pronunciation by English speakers, and partly associated with the spelling of similar-sounding Germanic names, such as '' Ronald''. A short form of ''Donald'' is '' Don''. Pet forms of ''Donald'' include ''Donnie'' and ''Donny''. The feminine given name ''Donella'' is derived from ''Donald''. ''Donald'' has cognates in other Celtic languages: Modern Irish ''Dónal'' (anglicised as ''Donal'' and ''Donall'');. Scottish Gaelic ''Dòmhnall'', ''Domhnull'' and ''Dòmhnull''; Welsh '' Dyfnwal'' and Cumbric ''Dumnagual''. Although the feminine given name '' Donna'' is sometimes used as a feminine form of ''Donald'', the names are not etymologically related. Variations Kings and noblemen Domnall or Domhnall is the name of many ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harriet Idola Exline Frizzell
Harriet Idola Exline Frizzell, also known as Mrs. Donald Leslie Frizzell (1909, Washington – 1968) was an American Arachnology, arachnologist. She was the first woman to receive the Sterning Fellowship at Yale University, Yale. Life and education Harriet Exline Lloyd was born in Washington in 1909. At the age of sixteen, she entered Reed College with to study language and literature, but soon became interested in chemistry and biology. After that, she did a six-year graduate study at the University of Washington, spending summers and Fridays at Harbor Biological Station. In 1936, Exline earned her PhD at the University of Washington and was awarded the Sterning Fellowship at Yale for postdoctoral studies in arachnological research with Professor Alexander Petrunkevitch. She was the first woman to receive this scholarship. On 29 August 1938, Exline married a fellow scientist, Donald L. Frizzell, in Guayaquil, Ecuador. She chose marriage over fellowship renewal and sailed fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sea Cucumber
Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothurian () species worldwide is about 1,717, with the greatest number being in the Asia-Pacific region. Many of these are gathered for human consumption and some species are cultivated in aquaculture systems. The harvested product is variously referred to as '' trepang'', ''namako'', ''bêche-de-mer'', or ''balate''. Sea cucumbers serve a useful role in the marine ecosystem as they help recycle nutrients, breaking down detritus and other organic matter, after which bacteria can continue the decomposition process. Like all echinoderms, sea cucumbers have an endoskeleton just below the skin, calcified structures that are usually reduced to isolated microscopic ossicles (or sclerietes) joined by connective tissue. In some species these can so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
