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Dumontia (alga)
''Dumontia'' is a genus of red algae belonging to the family Dumontiaceae. The species of this genus are found in Eurasia, Northern America and Australia. The genus name of ''Dumontia'' is in honour of Charles Dumont de Sainte-Croix (1758 – 1830), was a French zoologist. The genus was circumscribed by Jean Vincent Félix Lamouroux Jean Vincent Félix Lamouroux (3 May 1779 – 26 March 1825) was a French biologist and naturalist, noted for his seminal work with algae. Biography Lamouroux was born in Agen in the Aquitaine of southwestern France, the son of Claude Lamouroux, ... in Ann. Mus. Natl. Hist. Nat. Vol.20 on page 133 in 1813. Species Known: *'' Dumontia alaskana'' *'' Dumontia contorta'' *'' Dumontia simplex'' References {{Taxonbar, from=Q28432858 Dumontiaceae Red algae genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Algae
Red algae, or Rhodophyta (, ; ), are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority of species (6,793) are found in the Florideophyceae (class), and mostly consist of multicellular, marine algae, including many notable seaweeds. Red algae are abundant in marine habitats but relatively rare in freshwaters. Approximately 5% of red algae species occur in freshwater environments, with greater concentrations found in warmer areas. Except for two coastal cave dwelling species in the asexual class Cyanidiophyceae, there are no terrestrial species, which may be due to an evolutionary bottleneck in which the last common ancestor lost about 25% of its core genes and much of its evolutionary plasticity. The red algae form a distinct group characterized by having eukaryotic cells without flagella and centrioles, chloroplasts that l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumontiaceae
Dumontiaceae is a red alga family in the order Gigartinales. Species in the British Isles, includes '' Dumontia contorta'' (S.G.Gmelin) Ruprecht.Irvine, L.M..1983. ''Seaweeds of the British Isles''. Volume 1 Rhodophyta. Part 2A. British Museum. Genera According to WoRMS Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany Worms () is a city in Rhineland-Palatinate, Germany, situated on the Upper Rhine about south-southwest of Frankfurt am Main. It had ...; * '' Andersoniella'' * '' Constantinea'' * '' Cryptosiphonia'' * '' Dasyphloea'' * '' Dilsea'' * '' Dudresnaya'' * '' Dumontia'' * '' Farlowia'' * '' Gibsmithia'' * '' Hyalosiphonia'' * '' Kraftia'' * '' Leptocladia'' * '' Masudaphycus'' * '' Neodilsea'' * '' Orculifilum'' * '' Pikea'' * '' Rhodopeltis'' * '' Thuretellopsis'' * '' Waernia'' * '' Weeksia'' Also; * Former genus ''Borrichius'' now accepted as synonym of ''Dudresnaya'' * Forme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Dumont De Sainte-Croix
Charles Henri Frédéric Dumont de Sainte-Croix (27 April 1758 – 8 January 1830) was a French zoologist. A lawyer by trade, he was also an enthusiastic amateur ornithologist.Stresemann, p. 117 Between 1817 and 1818, he described a number of Javanese bird species discovered by Jean Baptiste Leschenault de la Tour; he also contributed articles on ornithology to the ''Dictionnaire des sciences naturelles'', edited and published from 1816 to 1830 by F. G. Levrault. Dumont de Sainte-Croix's daughter, Clémence married René-Primevère Lesson, a surgeon and noted French naturalist. His younger brother, André Dumont was elected to the Convention during the French Revolution. He was honoured in 1813, in the naming of '' Dumontia'', which is a genus of red algae belonging to the family Dumontiaceae Dumontiaceae is a red alga family in the order Gigartinales. Species in the British Isles, includes '' Dumontia contorta'' (S.G.Gmelin) Ruprecht.Irvine, L.M..1983. ''Seaweeds of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoologist
Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological classification, classification, Ethology, habits, and distribution of all animals, both living and extinction, extinct, and how they interact with their ecosystems. The term is derived from Ancient Greek , ('animal'), and , ('knowledge', 'study'). Although humans have always been interested in the natural history of the animals they saw around them, and made use of this knowledge to domesticate certain species, the formal study of zoology can be said to have originated with Aristotle. He viewed animals as living organisms, studied their structure and development, and considered their adaptations to their surroundings and the function of their parts. The Greek physician Galen studied human anatomy and was one of the greatest surgeons of the a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Circumscription (taxonomy)
In biological taxonomy, circumscription is the content of a taxon, that is, the delimitation of which subordinate taxa are parts of that taxon. If we determine that species X, Y, and Z belong in Genus A, and species T, U, V, and W belong in Genus B, those are our circumscriptions of those two genera. Another systematist might determine that T, U, V, W, X, Y, and Z all belong in genus A. Agreement on circumscriptions is not governed by the Codes of Zoological or Botanical Nomenclature, and must be reached by scientific consensus. A goal of biological taxonomy is to achieve a stable circumscription for every taxon. This goal conflicts, at times, with the goal of achieving a natural classification that reflects the evolutionary history of divergence of groups of organisms. Balancing these two goals is a work in progress, and the circumscriptions of many taxa that had been regarded as stable for decades are in upheaval in the light of rapid developments in molecular phylogenetics ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jean Vincent Félix Lamouroux
Jean Vincent Félix Lamouroux (3 May 1779 – 26 March 1825) was a French biologist and naturalist, noted for his seminal work with algae. Biography Lamouroux was born in Agen in the Aquitaine of southwestern France, the son of Claude Lamouroux, an intellectual who made his livelihood in manufacturing, but who was also a musician, a one-term mayor of Agen, and a co-founder of the Academic Society of Agen. Jean Vincent Lamouroux studied botany at the Boudon de Saint-Amans school in Agen. Lamouroux was particularly interested in marine organisms such as algae and hydrozoans. In 1805 he published a dissertation on several species of ''Fucus'' before settling in Paris in 1807, after his father went into bankruptcy. In 1807, Lamouroux was appointed to the French Academy of Sciences and in 1808 he became assistant professor of natural history at the University of Caen, rising to full professorship by 1811. He joined the Linnean Society of Calvados and contributed to its publications, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumontia Alaskana
Dumontia may refer to: * ''Dumontia'' (alga), a genus of algae in the family Dumontiaceae * ''Dumontia'' (crustacean), a genus of crustaceans in the family Dumontiidae {{Genus disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumontia Contorta
''Dumontia contorta'' is a relatively small epiphytic algae of the sea-shore. Description The thallus grows from a discoid holdfast to a length of about . The fronds branch irregularly and sparingly. The branches are hollow, soft and twisted, dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction. Reproduction The plants are dioecious (sexes separate) with microscopic spermatangia, carposporangia, and tetrasporangia developing in the surface layer, cruciate. Habitat Generally epilithic in rock pools of the littoral zone. Distribution Common around the British Isles. Europe from Russia to Portugal and Canada to United States. In the NW Pacific and Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ....Morton, O. 2003. The marine macr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumontia Simplex
Dumontia may refer to: * ''Dumontia'' (alga), a genus of algae in the family Dumontiaceae * ''Dumontia'' (crustacean), a genus of crustaceans in the family Dumontiidae {{Genus disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
