<span class="searchmatch">Arcto</span>-<span class="searchmatch">Tertiary</span> <span class="searchmatch">Geoflora</span> A hypothesized floral assemblage that once covered the Northern Hemisphere, from roughly the late Mesozoic to mid Cenozoic Eras...
modern flora and mammals appeared. <span class="searchmatch">Arcto</span>-<span class="searchmatch">Tertiary</span> <span class="searchmatch">Geoflora</span> post-<span class="searchmatch">Tertiary</span> of the first part of the Cenozoic era <span class="searchmatch">Tertiary</span> (geology) The first part of the Cenozoic...