zonal fossil

zonal fossil
Макаров: руководящая форма зоны

Универсальный англо-русский словарь. . 2011.

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  • Purbeckian — In geology, the Purbeckian refers to the highest and youngest member of the Jurassic system of rocks, also known as the Purbeck Beds. Either name is derived from the district known as the Isle of Purbeck in Dorset where the strata are splendidly… …   Wikipedia

  • Llandeilo Group — In geology, the Llandeilo Group is the middle subdivision of the British Ordovician rocks. It was first described and named by Sir R. I. Murchison from the neighborhood of Llandeilo in Carmarthenshire. In the type area it consists of a series of… …   Wikipedia

  • climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

  • Triassic Period — Interval of geologic time, с 248–206 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life forms… …   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

  • United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

  • geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… …   Universalium

  • Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …   Universalium

  • Foraminifera — Taxobox name = Foraminifera fossil range = fossil range|600 image width = 200px image caption = Live Ammonia tepida (Rotaliida) domain = Eukaryota regnum = Rhizaria superphylum = Retaria phylum = Foraminifera phylum authority = d Orbigny, 1826… …   Wikipedia

  • Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …   Universalium

  • Jurassic Period — Interval of geologic time, 206–144 million years ago, that is one of the three major divisions of the Mesozoic Era, preceded by the Triassic Period and followed by the Cretaceous. During the Jurassic, Pangea began to break up into the present day …   Universalium


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