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Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends. Another term, "zone fossil", is used when the fossil has all the characters stated above except wide geographical distribution; thus, they correlate the surrounding rock to a biozone rather than a specific time period.
Beelzebufo (/ b iː ˌ ɛ l z ɪ ˈ b juː f oʊ / or / ˌ b iː l z ə ˈ b juː f oʊ /) is an extinct genus of hyloid frog from the Late Cretaceous Berivotra and Maevarano Formations of Madagascar. [1] The type species is B. ampinga, and common names assigned by the popular media to B. ampinga include devil frog, [2] devil toad, [3] and the ...
Kermit the Frog meet Kermitops gratus, the most recent ancient amphibian to be identified after examination of a tiny fossilized skull that once sat unstudied in the Smithsonian fossil collection ...
A microfossil is a fossil that is generally between 0.001 mm and 1 mm in size, [2] the visual study of which requires the use of light or electron microscopy.A fossil which can be studied with the naked eye or low-powered magnification, such as a hand lens, is referred to as a macrofossil.
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In the Classical period, symphonies in G minor almost always used four horns, two in G and two in B ♭ alto. [2] Another convention of G minor symphonies observed in Mozart's No. 25 and Mozart's No. 40 was the choice of E-flat major , the subdominant of the relative major B ♭ , for the slow movement, with other examples including Joseph ...
A Brazilian scientist has identified fossils of a small crocodile-like reptile that lived during the Triassic Period several million years before the first dinosaurs. The fossils of the predator ...
Its relative minor is E-flat minor (or enharmonically D-sharp minor). Its parallel minor, G-flat minor, is usually replaced by F-sharp minor, since G-flat minor's two double-flats make it generally impractical to use. Its direct enharmonic equivalent, F-sharp major, contains six sharps. The G-flat major scale is: