Fourtanier, Elisabeth; Kociolek, J. Patrick (1999). "Catalogue of the Diatom Genera". Diatom Research. 14 (1): 1-190. doi: ... diatoms, which they consider to be more closely related to the pennate rather than to other centric diatoms, a concept which ... maintaining the centric diatoms as a single class Coscinodiscophyceae, but splitting the former pennate diatoms into 2 separate ... diatoms) Class Coscinodiscophyceae Round & R.M.Crawford (centric diatoms) Subclass Biddulphiophycidae Round & R.M.Crawford ...

Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly ... Wikispecies has information related to Diatoms. Wikimedia Commons has media related to Diatoms. Diatom EST database, École ... the centric diatoms and the pennate diatoms. Pennate diatoms are bilaterally symmetric. Each one of their valves have openings ... making them the only known shell-less diatoms. The study of diatoms is a branch of phycology. Diatoms are classified as ...

Trinacria is an extinct genus of diatoms present during the early Eocene, named for its triskelion shape. Wikispecies has ...

Actinocyclus is a genus of diatoms in the family Hemidiscaceae. In 2006, a study was carried out which included finding traces ... "The diversity of diatom assemblages in ships' ballast sediments: colonization and propagule pressure on Canadian ports". ...

Hystrix is a genus of diatom. Guiry, M.D.; Guiry, G.M. (2008). "Hystrix". AlgaeBase. World-wide electronic publication, ... Diatom genera, All stub articles, Diatom stubs). ...

In Diatoms of North America. Retrieved March 11, 2022, from https://diatoms.org/genera/acanthoceras v t e (Articles with short ... Acanthoceras is a genus of radially symmetric planktonic diatoms comprising two taxonomically accepted species. They do not ...

Diatom genera, Prehistoric SAR supergroup genera, Enigmatic eukaryote taxa, All stub articles, Diatom stubs). ... Corinna is an extinct genus of diatoms of uncertain placement within Bacillariophyceae (incertae sedis). C. elegans is from the ...

Diatom genera, Natural history of Tasmania, All stub articles, Diatom stubs). ... Clepsydra is a genus of diatoms, including the species Clepsydra truganiniae. It was found in Tasmania. Vyverman, W.; Sabbe, K ... from Tasmanian highland lakes and its relationships with other amphoroid diatoms. Biol. Jb. Dodonaea 65: 205. In: Biologisch ...

Norwegian Sea Cenozoic diatom biostratigraphy and taxonomy. Initial Reports of the Deep Sea Drilling Project, 38: 997. doi: ... Riedelia is a genus of diatoms known from the fossil record, comprising approximately eight species. Many of the species were ... Schrader and Fenner note that while Hemiaulus diatoms have polygonal areolated valves, Riedelia valves are punctate with ... Diatom genera, All stub articles, Diatom stubs). ... decided that several previous descriptions of diatoms belonging ...

Navicella is a genus of diatoms in the family Cymbellaceae. Guiry, M.D.; Guiry, G.M. "Navicella". AlgaeBase. World-wide ... Diatom genera, All stub articles, Diatom stubs). ...

Amphora is a major genus of marine and freshwater diatoms. With over 1000 species, it is one of the largest genera of diatoms. ... These diatoms are recognized by their strongly dorsiventral frustules, which means that their ridges lie close to the ventral ... Diatom genera, Thalassiophysales, Taxa named by Friedrich Traugott Kützing). ...

Bicornis is an extinct genus of diatoms with one known species. Guiry, M.D. & Guiry, G.M. 2014. AlgaeBase. World-wide ...

Craspedodiscus is a genus of diatoms in the family Coscinodiscaceae. Einige vorläufige Resultate seiner Untersuchungen der ihm ...

... diatoms tests ageing). The species of diatom may also differ among deposits. The species of diatom is dependent upon the age ... For example, diatoms from the Eocene epoch are not as effective in their ability to absorb fluids because as older diatoms ... These diatoms have a small globular shape. A deposit containing diatoms from this epoch can provide certain benefits over ... For example, in the case of slugs and snails, large, spiny diatoms work best to lacerate the epithelium of the mollusk. Diatom ...

"Pseudoseptum". Diatoms. Retrieved 11 April 2022. "Ringleiste". Diatoms. Retrieved 11 April 2022. Diatom Frustule 2 Zurzolo, ... Frustule on Britannica diatom frustule on astrographics.com Geometry and Pattern in Nature 1: Exploring the shapes of diatom ... As the diatom divides, each daughter retains one theca of the original frustule and produces one new theca. This means that one ... As the diatom prepares to separate it undergoes several processes in order to start the production of either a new hypotheca or ...

Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine Phytoplankon. Academic Press, Inc., San Diego. 5-385. Horner, R. A. ... Skeletonema is a genus of diatoms in the family Skeletonemataceae. It is the type genus of its family. The genus Skeletonema ... Skeletonema are found worldwide excluding Antarctic waters [Hevia-Orube 2016]. Some harmful effects these diatoms may have on ... Additionally, they are known to cause water discoloration [Kraberg 2010]. "Descriptions of New and Rare Diatoms". R. K. ...

"Naviculoid , Glossary - Diatoms of North America". diatoms.org. Retrieved 2019-06-09. "Diatoms of North America". diatoms.org. ... Diatoms of North America". diatoms.org. Retrieved 2019-06-11. "Pseudoseptum , Glossary - Diatoms of North America". diatoms.org ... Diatom families, Taxa named by Friedrich Traugott Kützing, All stub articles, Diatom stubs). ... Naviculaceae is a diatom family in the order Naviculales. Naviculaceae are typically composed of lineate areolae, one of the ...

Guillard, R; Kilham, P (1977). The Marine Ecology of Planktonic Diatoms. The Biology of Diatoms. pp. 372-469. Salter, Ian; Kemp ... they are considered most prevalent in marine centric diatoms. Within marine centric diatoms, resting spore formation has been ... Simply, if a diatom has a competitive growth rate, and is among the first to pioneer a newly available resource, it may have a ... This can allow diatoms to survive in areas where they cannot grow year-round or perhaps even every year. It has even been ...

"Toxic diatoms". NOAA Northeast Fisheries Science Center. NOAA. September 1, 2014. Retrieved 16 November 2018. the family Pseudo ... under certain conditions these diatoms can produce toxins harmful to humans Ullah, Kifayat; Ahmad, Mushtaq; Sofia; Sharma, ...

Diatoms are unique in the sense that they have valves, created by the two halves of a diatom's test. Cyclotella spp. are no ... Like all other diatoms, Cyclotella spp. have transparent cell walls. They form biosilica shells using dissolved silicon and ... Like other monoraphid diatoms, Cyclotella frustules can be characterized as heterovalvar. The cell wall and cell membrane are ... Harvey, B.P., Agostini, S., Kon, K., Wada, S., Hall-Spencer, J.M. (2019). Diatoms Dominate and Alter Marine Food-Webs When CO2 ...

nov., a new diatom from the Gulf of Naples, and new observations on B. furcatum (Chaetocerotaceae, Bacillariophyta). Phycologia ... Bacteriastrum is a genus of diatoms in family Chaetocerotaceae. There are more than 30 described species in genus Bacteriastrum ... and habitats of the diatom genus Bacteriastrum (Bacillariophyta) in the northern Adriatic Sea, with the description of B. ... 36: 257-266 Round, F. E. and Crawford, R. M. (1990). The Diatoms. Biology and Morphology of the Genera, Cambridge University ...

The planktonic diatoms of northern seas. MV Lebour, 1930 "Skeletonema , Genera - Diatoms of North America". diatoms.org. ... There is currently only one known genus in this family of diatoms known as Skeletonema as reported from diatom.org. Being from ... Skeletonemataceae is a family of diatoms in the order Thalassiosirales. ... Diatom families, All stub articles, Diatom stubs). ... order means that Skeletonemataceae are centric diatoms. The ...

1989). "Pennate diatom Nitzschia pungens as the primary source of domoic acid, a toxin in shellfish from eastern Prince Edward ... Trainer, V. L.; Hickey, B. M.; Bates, S. S. (2008). "Toxic Diatoms". In Walsh, P. J.; Smith, S. L.; Fleming, L. E.; Solo- ... Nitzschia navis-varingica Bates, S. S.; Trainer, V. L. (2006). "The Ecology of Harmful Diatoms". In Granéli, E.; Turner, J. ( ... This toxin is produced naturally by marine diatoms belonging to the genus Pseudo-nitzschia and the species Nitzschia navis- ...

... , like most diatoms, can reproduce by simple cell division. Nuclear division occurs by mitosis and cell divides into ... "Pinnularia - Ehrenberg 1843". Diatoms.org. Retrieved 20 June 2019. T. Spencer Smithson (1890). Pond-life: Algae and Allied ... Pinnularia is a genus of fresh water algae, more specifically a type of diatom. Pinnularia is a predominantly fresh-water algae ... Diatom genera, Naviculales, Taxa named by Christian Gottfried Ehrenberg). ...

... is a genus of diatom described in 1858 by George Charles Wallich. Hydrosera exhibits valve margins resembling two ... diatoms.org. doi:10.1080/0269249X.2021.2006790. Retrieved 15 August 2023. "Hydrosera G. C. Wallich 1858". eol.org. Retrieved 28 ...

... of centric and pennate diatoms (click to magnify) Centric diatom (radial symmetry) Pennate diatom (bilateral symmetry) ... "Marine Diatoms". In Tomas, Carmelo R. (ed.). Identifying Marine Diatoms and Dinoflagellates. Academic Press. pp. 5-385. ISBN ... Microfossil can be classification by their composition as: (a) siliceous, as in diatoms and radiolaria, (b) calcareous, as in ... Siliceous oozes are largely composed of the silica based skeletons of microscopic marine organisms such as diatoms and ...

"Plankton and the Self , News - Diatoms of North America". diatoms.org. Retrieved March 18, 2021. "How much oxygen comes from ...

Diatoms have glass like cell walls made of silica and called frustules. Fossil diatom frustule from 32 to 40 mya Radiolarian ... Alverson A (11 June 2014). "The Air You're Breathing? A Diatom Made That". Live Science. "More on Diatoms". University of ... including kelp diatoms, a (disputed) phylum containing about 100,000 recognised species of mainly unicellular algae. Diatoms ... Diatoms Dinoflagellates Algae is an informal term for a widespread and diverse group of photosynthetic protists which are not ...

"What are Diatoms? - Diatoms of North America". diatoms.org. Retrieved 2023-05-22. Sruthi, K. V.; Kurian, P. J.; Rajani, P. R. ( ... reported the first evidence of dinosterol in a laboratory culture of a marine diatom Navicula sp., indicating that diatoms may ... Within this diatom, 4-methyl sterols comprised less than 0.7% abundance, whereas these sterols are much more abundant in ... 1993) found a diatom belonging to the genus Navicula which contains several 4-methyl sterols including dinosterol. 4-Methyl ...

"Renovation and computerization of ANSP Diatom Herbarium , Projects - Diatoms of North America". diatoms.org. Retrieved 2020-07- ... Potapova, Marina (2010). "The ANSP Diatom Herbarium: an important resource for diatom research". Proceedings of the Academy of ... The herbarium contains many specimens contributed by notable collectors, a diversity of fossil diatoms, and diatoms collected ... The Academy's Diatom Herbarium, the largest in the Americas and the second largest in the world, contains approximately 220,000 ...