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Topics: Mammal-like Reptiles Ancestors Therapsida Therapsids Reptilian...

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MammalSubclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorp MammalogyIn biology, mammalogy is the study of mammals, a class of vertebrates with characteristics such as homeothermic metabolism, fur, four-chambered hearts, and complex nervous systems. Three major subdivisions of mammals are monotremes, marsupials and placent Mammalian diving reflexSubmerging the face into water causes the mammalian diving reflex which is found in all mammals, but especially in marine mammals as for example whales and seals. This reflex puts the body into energy saving modus to maximize the time that can be spent un Mammal-like reptilesMammal-like reptiles is a term used to describe the prehistoric animals that appear to be the reptilian ancestors of mammals. Their scientific name is Therapsida, and the Cynodonts were the most mammal-like of the Therapsids. Mammalian embryonic diapauseDiapause in mammals is a condition where pre-implantation blastocysts are maintained in a state of dormancy, often due to environmental cues, until such time as the environment improves. Diapause occurs in over 100 species of mammals in distantly related