biostromal

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biostromal — bi·o·stromal … English syllables
biostromal — |bīə|strōməl adjective : of or relating to a biostrome … Useful english dictionary
biostrome — biostromal, adj. /buy euh strohm /, n. Geol. a bedded, blanketlike sedimentary deposit of organic origin built by marine organisms and including shell beds, flat reefs, and corals. [1930 35; BIO + Gk strôma layer, bed; see STROMA] * * * … 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
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
biostrome — ˈbīəˌstrōm noun ( s) Etymology: bi (II) + Late Latin stroma coverlet, from Greek strōma bed, mattress : a distinctly bedded or broadly lenticular body of rock composed mainly of the remains of sedentary organisms (as shell beds, crinoid beds, or… … Useful english dictionary

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