There are about 5,000 species of living mammals. the most diverse order - rodents - is missing.) No way! The full classification is given in the three lists in the menu indicated by Classification 1, Classification 2, and Classification 3. Mammal - Mammal - Classification: The higher classification of the class Mammalia is based on consideration of a broad array of characters. (Lists only exist for some orders; e.g. The fasted mammal in the air is the Big Brown Bat, Eptesicus fuscus, with a recorded flight speed of 25 kmh or 15.5 mph. There are in fact THREE orders of marine mammals. Suborder Megachiroptera contains one family, the Suborder Megachiroptera contains one family, the … Venomous mammals use their venom to kill or disable prey, or to defend themselves from predators. The fastest mammal in the water is the Killer Whale, Orcinus orca, which has been recorded swimming at speeds of 55.5 kmh or 34 mph. Not the most familiar order of mammals, hyraxes are thick, stubby-legged, plant-eating mammals that look a bit like a cross between a house cat and a rabbit. This is a collection of lists of mammal species by the estimated global population, divided by orders. Humans and too many other animals to list. Venom is much more common among other vertebrates. There are only four species (the yellow-spotted hyrax, the rock hyrax, the western tree hyrax, and the southern tree hyrax), all of them native to Africa and the Middle East. In modern nature, venomous mammals are quite rare. The longest lived mammals are not human beings as many people think, but the whales. There are so many insect species, at least 10 million, that scientists have yet to discover them all, let alone name or count them. The taxa are given in the order in which they are considered. These are the Cetacea, whales ,dolphins,porpoise etc. Sirenia, manatees and dugongs, and Carnivorae, walrus, seals, sea otters and polar bears. There are scads of orders in class Mammalia, and I know this well because I had to memorize them for my mammalolgy class. They recognize 5488 species in the class. Note: Mammal orders and classification change, and some books may have different … There are many more species of venomous/poisonous reptiles such as snakes, amphibians such as toads and frogs and fish such as stonefish. Unlike other animals, mammals have body hair, have 3 middle ear bones (the malleus, incus, and stapes), and nourish their young with milk that females produce in modified sweat glands that are called mammary glands. Start studying 19 Orders of Mammals. Sirenia, manatees and dugongs, and Carnivorae, walrus, seals, sea otters and polar bears. Much of the data in these lists were created by the IUCN's Global Mammal Assessment Team, which consists of 1700 mammalogists from over 130 countries. There are two suborders of bats, the only mammals that can fly. There are more than 5,500 species of living mammals, arranged in about 125 families and as many as 27–29 orders (familial and ordinal groupings sometimes vary among authorities). There are in fact THREE orders of marine mammals. Go to google and search on "mammalian orders"--you should find what you're looking for, which is about 2.5 hours of homework. These are the Cetacea, whales ,dolphins,porpoise etc. Vertebrate animals, including fish, amphibians, reptiles, birds, and mammals, represent a puny 3% of all living species. This list should help guide you to particular groups of interest. Learn vocabulary, terms, and more with flashcards, games, and other study tools. They are divided into three subclasses and about 26 orders (there is no consensus among biologists). See links below: Mammal - Wikipedia Lists of mammals by region - Wikipedia