|
Eagle Ray
The eagle rays are a group of cartilaginous fishes in the family Myliobatidae, consisting mostly of large species living in the open ocean rather than on the sea bottom. Eagle rays feed on mollusks and crustaceans, crushing their shells with their flattened teeth. They are excellent swimmers and are able to breach the water up to several metres above the surface. Compared with other rays, they have long tails, and well-defined, rhomboidal bodies. They are ovoviviparous, giving birth to up to six young at a time. They range from in length and 7 m (23 ft) in wingspan. Classification Nelson's book ''Fishes of the World'' treats cownose rays, mantas, and devil rays as subfamilies in the Myliobatidae. However, most authors (including William Toby White) have preferred to leave the Rhinopteridae and Mobulidae outside of the Myliobatidae. White (2014) retained three genera (''Aetobatus'', ''Aetomylaeus'', and ''Myliobatis'') in the Myliobatidae, while a fourth (''Pteromylaeus'') was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the Latin word for the white limestone known as chalk. The chalk of northern France and the white cliffs of south-eastern England date from the Cretaceous Period. Climate During the Late Cretaceous, the climate was warmer than present, although throughout the period a cooling trend is evident. The tropics became restricted to equatorial regions and northern latitudes experienced markedly more seasonal climatic conditions. Geography Due to plate tectonics, the Americas were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia. India maintained a northward course towards Asia. In the Southern Hemisphere, Australia an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samuel Garman
Samuel Walton Garman (June 5, 1843 – September 30, 1927), or "Garmann" as he sometimes styled himself, was a natural history, naturalist/zoologist from Pennsylvania. He became noted as an ichthyologist and herpetologist. Biography Garman was born in Indiana County, Pennsylvania, on 5 June 1843. In 1868 he joined an expedition to the American West with John Wesley Powell. He graduated from the Illinois State University, Illinois State Normal University in 1870, and for the following year was principal of the University of North Alabama, Mississippi State Normal School. In 1871, he became professor of natural sciences in Ferry Hall Seminary, Lake Forest, Illinois, and a year later became a special pupil of Louis Agassiz. He was a friend and regular correspondent of the naturalist Edward Drinker Cope, and in 1872 accompanied him on a fossil hunting trip to Wyoming. In 1870 he became assistant director of herpetology and ichthyology at Harvard's Museum of Comparative Zoology. His w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spotted Eagle Ray
The spotted eagle ray (''Aetobatus narinari'') is a cartilaginous fish of the eagle ray family, Myliobatidae. As traditionally recognized, it is found globally in tropical regions, including the Atlantic, Pacific and Indian Oceans. Recent authorities have restricted it to the Atlantic (including the Caribbean and Gulf of Mexico) with other populations recognized as the ocellated eagle ray (''A. ocellatus'') and Pacific white-spotted eagle ray (''A. laticeps''). Spotted eagle rays are most commonly seen alone, but occasionally swim in groups. They are ovoviviparous, the female retaining the eggs then releasing the young as miniature versions of the parent. This ray can be identified by its dark dorsal surface covered in white spots or rings. Near the base of the ray's relatively long tail, just behind the pelvic fins, are several venomous, barbed stingers. Spotted eagle rays commonly feed on small fish and crustaceans, and will sometimes dig with their snouts to look for f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich Gustav Jakob Henle
Friedrich Gustav Jakob Henle (; 9 July 1809 – 13 May 1885) was a German physician, pathologist, and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay, "On Miasma and Contagia," was an early argument for the germ theory of disease. He was an important figure in the development of modern medicine. Biography Henle was born in Fürth, Bavaria, to Simon and Rachel Diesbach Henle (Hähnlein). He was Jewish. After studying medicine at Heidelberg and at Bonn, where he took his doctor's degree in 1832, he became prosector in anatomy to Johannes Müller at Berlin. During the six years he spent in that position he published a large amount of work, including three anatomical monographs on new species of animals and papers on the structure of the lymphatic system, the distribution of epithelium in the human body, the structure and development of the hair, and the formation of mucus and pus. In 1840, he accepted the chair of anatomy at Zürich ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johannes Peter Müller
Johannes Peter Müller (14 July 1801 – 28 April 1858) was a German physiologist, comparative anatomist, ichthyologist, and herpetologist, known not only for his discoveries but also for his ability to synthesize knowledge. The paramesonephric duct (Müllerian duct) was named in his honor. Life Early years and education Müller was born in Coblenz. He was the son of a poor shoemaker, and was about to be apprenticed to a saddler when his talents attracted the attention of his teacher, and he prepared himself to become a Roman Catholic Priest. During his college course in Koblenz, he devoted himself to the classics and made his own translations of Aristotle. At first, his intention was to become a priest. When he was eighteen, his love for natural science became dominant, and he turned to medicine, entering the University of Bonn in 1819. There he received his M.D. in 1822. He then studied at the University of Berlin. There, under the influence of Georg Hegel and Karl Ru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aetomylaeus Milvus
''Aetomylaeus'' is a genus of eagle rays in the family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ... Myliobatidae. Species There are currently 8 recognized species in this genus: The recognized extinct species: * † '' Aetomylaeus cojimarensis'' ITURRALDE-VINENT, MORA, ROJAS & GUTIERREZ, 1998 * † '' Aetomylaeus cubensis'' ITURRALDE-VINENT, MORA, ROJAS & GUTIERREZ, 1998 References Ray genera Taxa named by Samuel Garman Extant Pliocene first appearances Taxonomy articles created by Polbot {{Chondrichthyes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Edward Gray
John Edward Gray, FRS (12 February 1800 – 7 March 1875) was a British zoologist. He was the elder brother of zoologist George Robert Gray and son of the pharmacologist and botanist Samuel Frederick Gray (1766–1828). The same is used for a zoological name. Gray was keeper of zoology at the British Museum in London from 1840 until Christmas 1874, before the natural history holdings were split off to the Natural History Museum. He published several catalogues of the museum collections that included comprehensive discussions of animal groups and descriptions of new species. He improved the zoological collections to make them amongst the best in the world. Biography Gray was born in Walsall, but his family soon moved to London, where Gray studied medicine. He assisted his father in writing ''The Natural Arrangement of British Plants'' (1821). After being blackballed by the Linnean Society of London, Gray shifted his interest from botany to zoology. He began his zoolog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aetomylaeus Maculatus
The mottled eagle ray (''Aetomylaeus maculatus'') is a species of fish in the family Myliobatidae. Description The mottled eagle ray can grow up to 78 cm in disc width. Little is known about this species, but based on similar species it is expected to produce an average of 4 offspring per year. It has an exceptionally long spineless tail which is over six times longer than the bodyMyers, R.F., 1999. Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia, 3rd revised and expanded edition. Coral Graphics, Barrigada, Guam. 330 Range It is found in China, India, Indonesia, Malaysia, Singapore, Sri Lanka, Taiwan, and Thailand. Its natural habitats are open sea The sea, connected as the world ocean or simply the ocean, is the body of salty water that covers approximately 71% of the Earth's surface. The word sea is also used to denote second-order sections of the sea, such as the Mediterranean Sea, ...s, shallow seas, subtidal aquatic beds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leontine Baje
Leontine may refer to: ;As a given name * Leontine "Lona" Cohen (1913–1992), American spy for the Soviet Union * Leontine Cooper (1837–1903), Australian trade unionist, suffragist and campaigner for women's rights *Leontine T. Kelly (1920–2012), American bishop * Leontyne Butler King (1905-1974), American businesswoman *Léontine Lippmann (1844–1910), literary muse and salon hostess *Léontine de Maësen (1835–1906), Belgian soprano *Leontien van Moorsel (born 1970), Dutch racing cyclist *Leontyne Price Mary Violet Leontyne Price (born February 10, 1927) is an American soprano who was the first African American soprano to receive international acclaim. From 1961 she began a long association with the Metropolitan Opera, where she was the first Af ... (born 1927), American soprano * Leontine Sagan (1889–1974), Austrian actress ;As a middle name * Florence Leontine Welch (born 1986) English singer ;Other uses * Leontine martyrs, clergy killed in Persia in 455 AD {{ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peter Robert Last
Peter Robert Last is an Australian ichthyologist, curator of the Australian National Fish Collection and a senior principal research scientist at CSIRO Marine and Atmospheric Research (CMAR) in Hobart, Tasmania. He is an elasmobranch expert and has described many new species of shark. Last graduated from the University of Tasmania in 1983 with a PhD titled "Aspects of the ecology and zoogeography of fishes from soft-bottom habitats of the Tasmanian shore zone". Last is the co-author of ''Sharks and Rays of Australia'' and co-author of ''A revision of the Australian handfishes (Lophiiformes: Brachionichthyidae), with descriptions of three new genera and nine new species''. In 2009, the Australian Society for Fish Biology awarded Last its highest honour, the K. Radway Allen Award. |
Aetomylaeus Caeruleofasciatus
''Aetomylaeus'' is a genus of eagle rays in the family Myliobatidae. Species There are currently 8 recognized species in this genus: The recognized extinct species: *† ''Aetomylaeus cojimarensis'' ITURRALDE-VINENT, MORA, ROJAS & GUTIERREZ, 1998 *† ''Aetomylaeus cubensis ''Aetomylaeus'' is a genus of eagle rays in the family Myliobatidae. Species There are currently 8 recognized species in this genus: The recognized extinct species: * † ''Aetomylaeus cojimarensis ''Aetomylaeus'' is a genus of eagle ra ...'' ITURRALDE-VINENT, MORA, ROJAS & GUTIERREZ, 1998 References Ray genera Taxa named by Samuel Garman Extant Pliocene first appearances Taxonomy articles created by Polbot {{Chondrichthyes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Étienne Geoffroy Saint-Hilaire
Étienne Geoffroy Saint-Hilaire (15 April 177219 June 1844) was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories. Geoffroy's scientific views had a transcendental flavor (unlike Lamarck's materialistic views) and were similar to those of German morphologists like Lorenz Oken. He believed in the underlying unity of organismal design, and the possibility of the transmutation of species in time, amassing evidence for his claims through research in comparative anatomy, paleontology, and embryology. He is considered as a predecessor of the evo-devo evolutionary concept. Life and early career Geoffroy was born at Étampes (in present-day Essonne), and studied at the Collège de Navarre, in Paris, where he studied natural philosophy under M. J. Brisson. He then attended the lectures of Daubenton at the College de France and Fourcroy at the Jardin de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
_Baa_Atoll%2C_Maldives_(2018).jpg "Click for more on -> Aetomylaeus Caeruleofasciatus")
