calcareous foraminifer

См. также в других словарях:

• foraminifer — [fôr΄ə min′i fər] n. pl. foraminifera [fə ram΄ə nif′ər ə] [< L foramen (gen. foraminis): see FORAMEN & FER] any of an order (Foraminiferida) of marine protozoans with calcareous shells full of tiny holes through which slender filaments project …   English World dictionary

• foraminifer — noun Date: circa 1842 any of an order (Foraminifera) of large chiefly marine rhizopod protozoans usually having calcareous shells that often are perforated with minute holes for protrusion of slender pseudopodia and form the bulk of chalk and… …   New Collegiate Dictionary

• foraminifer — noun Any of several large marine protozoans, of the subphylum Foraminifera, that have a calcareous shell with many holes through which pseudopodia protrude Syn: foram …   Wiktionary

• foraminifer — /fɒrəˈmɪnəfə/ (say foruh minuhfuh) noun any of the Foraminifera, an extensive order of small, mostly marine rhizopods commonly having a calcareous shell perforated in many species by small holes or pores; as they die, they fall to the sea floor… …  

• foram — noun marine microorganism having a calcareous shell with openings where pseudopods protrude • Syn: ↑foraminifer • Hypernyms: ↑rhizopod, ↑rhizopodan • Hyponyms: ↑globigerina, ↑nummulite …   Useful english dictionary

• 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

• Early Pleistocene — (also known as Lower Pleistocene, or Calabrian) is a subdivision of the Pleistocene Epoch of the Geologic time scale. The beginning of the stage is defined at 1.806 ± 0.005 Ma (million years ago). The end of the stage is defined by the last… …   Wikipedia

• Carbonate platform — A carbonate platform is a sedimentary body which possesses topographic relief, and is composed of autochthonous calcareous deposits (Wilson, 1975). Platform growth is mediated by sessile organisms whose skeletons build up the reef or by organisms …   Wikipedia

• globigerina — /gloh bij euh ruy neuh, ree /, n., pl. globigerinas, globigerinae / nee/. any marine foraminifer of the genus Globigerina, having a calcareous shell, occurring either near the surface of the sea or in the mud at the bottom. [1840 50; < NL, equiv …   Universalium

• nummulite — nummulitic /num yeuh lit ik/, adj. /num yeuh luyt /, n. a fossil foraminifer of the genus Camerina (Nummulites), having a calcareous, usually disklike shell. [1805 15; NUMMUL(AR) + ITE1] * * * ▪ paleontology       any of the thousands of extinct… …   Universalium

• Tournaisian Stage — ▪ geology       lowest and first of three intercontinental stages of the Mississippian Subsystem (Mississippian Subperiod), Carboniferous System (Carboniferous Period), encompassing all rocks deposited during the Tournaisian Age (359.2 to 345.3… …   Universalium