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As a result of the cooling trend prevalent throughout the Oligocene period, the lives and habitats of many organisms were directly affected. ... Diurnal raptors, such as falcons, eagles, and hawks, along with seven to ten families of rodents also first appeared during the Oligocene. The "bulk feeding" ... Oligocene Epoch: Life...
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www.ucmp.berkeley.edu/tertiary/oli/olilife.html
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Oligocene - Wikipedia, the free encyclopedia
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The Oligocene is a geologic epoch of the Paleogene period and extends from about 33.9 million to 23 million years before the present. As with other older geologic periods, the rock beds that define ...
en.wikipedia.org/wiki/Oligocene
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The Oligocene Epoch of the Paleogene Period: 33.9 to 23.0 million years ago ... The Oligocene Epoch (meaning "slightly recent") was the third and youngest division of the Paleogene, and the characterized by an increasing proportion of "modern" animals...
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www.palaeos.com/Cenozoic/Oligocene/Oligocene.htm
www.palaeos.com/Cenozoic/Oligocene/Oligocene.htm
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The climate of the Cenozoic got much cooler during the Oligocene, ... Grasses called for advanced digestive systems, called rumens (these systems are explained in detail in this epoch's Creature Feature). Pigs, cattle, deer, and camels were only a few of the mammals that evolved to take advantage of the expanding food source.
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library.thinkquest.org/20886/oligocene.html
library.thinkquest.org/20886/oligocene.html
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Oligocene epoch (ol'ugōsēn") [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America was dry land during the Oligocene than in the preceding Eocene epoch.
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www.infoplease.com/ce6/sci/A0836567.html
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Britannica online encyclopedia article on Oligocene Epoch (geochronology), third and last major worldwide division of the Paleogene Period (65.5 million to 23 million years ago), spanning the interval between 33.9 million to 23 million years ago. ... Oligocene climates appear to have been temperate, ... Throughout the epoch,
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www.britannica.com/EBchecked/topic/427570/Oligocene-Epo...
www.britannica.com/EBchecked/topic/427570/Oligocene-Epoch
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The titanotheres are extinct relatives of horses, rhinos, and tapirs. Some titanotheres became quite large; the titanothere Brontops, reconstructed at right by the painter Bruce Horsefall, was nearly as massive as an elephant. The "horns" of the titanotheres make them resemble rhinos. ... Florida Museum of Natural History...
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www.flmnh.ufl.edu/natsci/vertpaleo/fhc/oligo2.htm
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Indricotherium by paleo-artist Josef Moravec. Prehistoric Indricotherium from Oligocene epoch. ... TIME - Oligocene - Tertiary period; RANGE - Asia; DIET - Herbivore (Plants / Trees); SIZE - 26ft. (8 m) long...
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www.prehistory.com/indricth.htm
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Oil painting of Brontotherium from Oligocene Epoch by paleo-artist Josef Moravec. The painting is in the art collection of Dinosaur Corporation. ... TIME - 37.5 - 32MYA, Early Oligocene epoch; RANGE - USA - Nevada, California (Death Valley), S. Dakota, N. Dakota; SIZE - These creatures reached a height of up to 8 ft (2.5...
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www.prehistory.com/bronto.htm
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