Lydekker's line A line that defines the easternmost extension of oriental animals into the zone of mixing between the Oriental and Australian faunal regions. The corresponding western limit of the zone is known as Wallace's line, and marks the maximum extent of marsupials (Marsupialia) in that direction. It is named after the British naturalist R. Lydekker (1849–1915).
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Wallaces Line , Wallace's line The important zoogeographical division which separates the Oriental and Notogean zoogeographical regions. AlfredWallace, a zoogeograph… Line , line1 / līn/ • n. 1. a long, narrow mark or band: a row of closely spaced dots will look like a continuous line I can't draw a straight line. ∎ Math.… Slope , Skip to main content Slope slope / slōp/ • n. 1. a surface of which one end or side is at a higher level than another; a rising or falling surface: h… baseline , baseline •catchline • dragline • tramline •landline • strapline • chatline •carline •breadline, deadline, headline, redline •neckline • hemline • hel… Cotidal Line , Skip to main content cotidal line Parallel , Skip to main content parallel par·al·lel / ˈparəˌlel; -ləl/ • adj. (of lines, planes, surfaces, or objects) side by side and having the same distance…
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