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Medicine LibreTexts

2.07: Summary

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    • The scientific name of an animal has two parts, the genus and the species, and must be written in italics or underlined.
    • Animals are divided into vertebrates and invertebrates.
    • The classification system has groupings called phyla, classes, orders, families, genera and species.
    • Furry, milk-producing animals are all in the class Mammalia.
    • Members within a species can mate and produce fertile offspring.
    • Sub-groups within a species include breeds, races and varieties.


    • Ruth Lawson (Otago Polytechnic; Dunedin, New Zealand)