Class and Mammalia

Class noun - One of the segments of society into which people are grouped.

Mammalia and class are semantically related. In some cases you can replace term "Mammalia" with "Class", this nouns are similar.

Nearby Words: classify, classification, classical, classed, classmate

Mammalia noun - Warm-blooded vertebrates characterized by mammary glands in the female.

Class and mammalia are semantically related. You can use "Class" instead a noun "Mammalia".