Robuta

https://www.science20.com/news_articles/flowering_plants_radiated_early_mammal_varieties_declined-121593 As Flowering Plants Radiated, Early Mammal Varieties Declined | Science 2.0 The great angiosperm radiation of the mid-Cretaceous, the dramatic explosion of flowering plant species that occurred about 100 million years ago, is thought... flowering plantsearly mammalradiated https://www.usgs.gov/publications/small-mammal-data-early-and-middle-holocene-climates-and-biotic-communities-bonneville Small-mammal data on early and middle Holocene climates and biotic communities in the Bonneville... Archaeological investigations in Camels Back Cave, western Utah, recovered a series of small-mammal bone assemblages from stratified deposits dating between...