Question

Compare the timing of the molecular divergence of the four mammalian superorders, and the timing of their anatomical divergence as seen in the fossil record

Answer 1

Class Mammalia is fascinated by its taxonomic diversity, ecology and behavior.The four major categories of placental mammals are Afrotheria (represented by elephant), Xenarthra (represented by armadillo), Laurasiatheria (represented by cow), and Euarchontoglires (represented by monkey). The basic goal of mammalian palaeobiogeography is to reconstruct the basic history of sequential events and dispersions that have made this difference. The importance of reconstruction of the phylogeny, the reconstruction of the ancestral area and the naming of cells to produce ancestral times. The incorporation of morphological data from fossils allows economically rich phylogenies, while also providing key data points for taxonomic group discovery.Fossils are also very difficult to establish with phylogenetic framework due to lack of data (molecular), and the inability of current methods to classify -Homology and Homoplasy with specific details of the classification of physical symptoms.
Greater inventory of the details of larger molecules and taxis, new discoveries of land use and the use of new techniques will lead to major advances in our understanding of the history of mammalian biogeography.