Nov 24, 2025 · This classification is modified from that of Malcolm C. McKenna and Susan K. Bell (1997) to classify higher categories of mammals with significant contributions from Don E. …

Over 70% of mammal species are in the orders Rodentia, Chiroptera, and Eulipotyphla. Mammalia is a class of animal within the phylum Chordata. Mammal classification has been …

Nov 22, 2023 · Learn about mammals. Discover their characteristics, get examples, and learn about different orders of mammals.

Nov 24, 2025 · mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In …

The Class Mammalia includes about 5000 species placed in 26 orders. Systematists do not yet agree on the exact number or on how some orders and families are related to others.

Although mammals are generally considered to be the dominant and probably most diversified class of living vertebrates, they are far from being the most numerous. If the total numbers of …

A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ məˈmeɪli.ə /). Mammals are characterised by the presence of milk -producing mammary …

As a result, students of mammals rely heavily on taxonomic keys for identification until they learn the fauna they're working on. Taxonomic keys are available here for regional mammals.

Below you will find the 20 orders of mammals as well as a list of the animals that belong in each order. Each animal will have a link to the order page in which that animal is categorized.

Apr 23, 2025 · They are divided into three main groups: monotremes (egg-laying mammals), marsupials (pouched mammals), and placentals (mammals with a placenta). The modern …