- pteropsids
- птеропсиды (сосудистые растения — папоротники, голосеменные или покрытосеменные)
English-Russian dictionary of geology. 2011.
pteropsids
Смотреть что такое "pteropsids" в других словарях:
coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
plant development — Introduction a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… … Universalium
tracheophyte — /tray kee euh fuyt /, n. any plant of the former division Tracheophyta, comprising all the vascular plants. [1935 40; < NL Tracheophyta name of the division. See TRACHEO , PHYTE] * * * ▪ plant any of the vascular plants, members of the… … Universalium
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
pteropsid — ▪ plant any of a group of vascular plants (tracheophytes) that includes ferns, extinct seed ferns, gymnosperms (conifers, etc.), and angiosperms (flowering plants). Pteropsids manifest a great variety of vegetative and reproductive… … Universalium
