- acritarchs
- acritarchs.См. акритархи.(Источник: «Англо-русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд-во ВНИРО, 1995 г.)
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acritarchs
Смотреть что такое "acritarchs" в других словарях:
акритархи — acritarchs акритархи. Ископаемые одноклеточные или кажущиеся одноклеточными остатки микроскопических организмов, вероятно, тонкостенных, фотосинтезирующих одноклеточных водорослей; приблизительный возраст около 1,5 млрд. лет. (Источник: «Англо… … Молекулярная биология и генетика. Толковый словарь.
Acritarch — DefinitionIn general, any small, non acid soluble (i.e. non carbonate, non siliceous) organic structure that can not otherwise be accounted for is classified as an acritarch. Acritarchs include the remains of a wide range of quite different kinds … Wikipedia
Palynology — cite journal author = Gray, J. year = 1985 title = The Microfossil Record of Early Land Plants: Advances in Understanding of Early Terrestrialization, 1970 1984 journal = Philosophical Transactions of the Royal Society of London. Series B,… … Wikipedia
Micropaleontology — Fusulinid (Triticites) from the Plattsmouth Chert, Red Oak, Iowa (Permian). Micropaleontology (also sometimes spelled as micropalaeontology) is the branch of paleontology that studies microfossils. Contents … Wikipedia
Кембрийская радиация — Кембрийским взрывом называют внезапное (в геологическом смысле) появление в раннекембрийских (ок. 540 млн лет) отложениях окаменелостей представителей многих подразделений животного царства, на фоне отсутствия их окаменелостей или окаменелостей… … Википедия
Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… … Universalium
Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… … Universalium
Leiosphaerid — Leiosphaeridia is a form genus of acritarchs proposed by Eisenack in 1958. The grouping was refined to represent a more natural group by Jankauskas.cite journal author = Buick, R. coauthors = Knoll, A.H. year = title = Acritarchs And Microfossils … Wikipedia
Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… … Wikipedia
algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… … Universalium
