Word: mammalia
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...during the Cambrian (and perhaps only during the Cambrian) that nature invented the animal body plans that define the broad biological groupings known as phyla, which encompass everything from classes and orders to families, genera and species. For example, the chordate phylum includes mammals, birds and fish. The class Mammalia, in turn, covers the primate order, the hominid family, the genus Homo and our own species, Homo sapiens...
Groups of men, well organized, with sound financial backing, roaming the four corners of the earth to uncover hidden remains of older civilizations, early mammalia, relics, fossils, digging out the traces. . . . In the recent months, the following work has been reported...
Paleontologically speaking, the Gobi and Altai regions are the provinces of Digger Roy Chapman Andrews of the American Museum of Natural History. His discoveries have strengthened the theory that Asia was the point of dispersal of Mammalia. Civic ructions impeded his work last year (TIME, April 26, 1926), but last spring he was off again to try and add evidence of humans to his unparalleled find of dinosaurs and their eggs, baluchitheria...
...perhaps eight million years, other creatures ruled Mongolia. They were warm-blooded, milk-giving, viviparous-mammals from tiny moles to a shaggy monster with columnar legs and a neck long enough to browse on treetops, a sort of elephantine giraffe. . . . After several millions of years there grew up in mammalia an erect Two-Legs who learned to use tools...
...Gobi Desert, he is on his way back to the American Museum of Natural History with plunder from Mongolian beds where "the fossils were so thick they almost interlaced." Paleontologist Andrews shares the view of many a scientist that Mid-Asia was the birthplace and distribution centre of mammalia. His chief finds: many more fossil dinosaur eggs (two years ago he fetched several dozen); several baluchitherium (early rhinoceros) skulls; an unknown two-horned fossil, seemingly a primitive giraffe; some marsupial (pouched) types; and traces of a human civilization that went from Europe into Asia...