Class Mammalia Classification Of Mammalia Mammals Youtube
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Mammals are diverse group of animals and most advanced. they are classified into major three groups which are further sub divided into super orders and order. Class mammalia | classification of mammalia | mammals.
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Class mammalia | mammalia characters and classification | mammals. Class mammalia (mammals) approximately 5,500 species in 29 orders. subclass prototheria ( monotremes, egg laying mammals) here 5 species are classified in 2 orders, but monotremes have traditionally been classified together in a single order, monotremata. order tachyglossa ( echidnas) 4 species in 1 family. Flexi says: the class mammalia is classified into three subclasses: prototheria: these are egg laying mammals. the most well known example is the platypus. metatheria: these are marsupials or pouched mammals. examples include kangaroos and koalas. eutheria: these are placental mammals. this group includes a wide range of animals such as humans. Mammalia is a class of animal within the phylum chordata. mammal classification has been through several iterations since carl linnaeus initially defined the class. no classification system is universally accepted; mckenna & bell (1997) and wilson & reader (2005) provide useful recent compendiums. [ 1].
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